2018 Summer Weather Forecast

Will This Summer be a Hot One? Get Your Regional Forecast Below!

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Believe it or not, summer is just around the corner! What kind of weather can we expect this year? Hot and dry, cool and wet, or maybe a little of everything? Read our 2018 Summer Weather Forecast to find out! 

Spring is only just taking hold in the farthest reaches of North America, but it’s already time to look ahead to see what’s in store for summer. Read our summer weather forecast, below, to know what to expect for your area this year. 

For regional forecasts, gardening tips, recipes, and more, pick up a copy of The 2018 Old Farmer’s Almanac!

2018 Summer Weather Forecast | Summary

United States

Summer temperatures will be below normal in much of California, Alaska, Hawaii, the southern Intermountain region, and Texas-Oklahoma, but that’s where the cooler-than-normal temperatures end. Across the rest of the U.S., we anticipate summer temperatures to be hotter-than-normal. (Now would be the perfect time to make sure that your air conditioner still works, by the way.)

As for precipitation, we’re predicting rainfall to be above normal from the mid-Atlantic southward to Florida, in the Tennessee and Ohio Valleys and the Deep South, from Texas-Oklahoma westward into southeastern Arizona, and in the Pacific Northwest. For the rest of the country, expect below-normal rainfall amounts. 

The Old Farmer's Almanac Weather Map for Summer 2018

Canada

Expect summer temperatures to be below normal in the western Prairies, British Columbia, and Yukon, but above normal elsewhere. Precipitation will be below normal in western Quebec, eastern Ontario, and British Columbia and above normal in most other places in Canada.

Hurricane Season

The best chances for a major hurricane strike are in late August and early September along the western and central Gulf regions, with a tropical storm threat in early to mid-September from Florida to North Carolina. Find out the names of this year’s hurricanes here.
 

Regional Forecast Highlights – U.S.

2018 US weather regions

  1. Northeast
    • Summer will be hotter and slightly drier than normal, with the hottest periods in early June, early and mid-July, and early August.
  2. Atlantic Corridor
    • Summer will be hotter than normal, with the hottest periods in early June, early July, and early and mid-August. Rainfall will be below normal in the northern part of the region and above normal in the south.
  3. Appalachians
    • Summer will be hotter and slightly rainier than normal, with the hottest periods in early June, early July, and late August.
  4. Southeast 
    • Summer will be slightly hotter than normal, on average, with above-normal rainfall. The hottest periods will be in early to mid-June, early August, and mid- to late August
  5. Florida
    • Summer will be slightly hotter than normal, with the hottest periods in early June, early July, and early to mid-August. Rainfall will be above normal, especially in the southern part of the region.
  6. Lower Lakes
    • Summer will be hotter and drier than normal. The hottest periods will be in early to mid- and late July, to mid-August.
  7. Ohio Valley
    • Summer will be hotter and slightly rainier than normal, with the hottest periods in early July, early August, and mid- to late August.
  8. Deep South
    • Summer will be hotter and rainier than normal, with the hottest periods in early and mid-July and mid-August. Watch for a tropical storm threat in late August.
  9. Upper Midwest
    • Summer will be hotter than normal, with near-normal precipitation. The hottest periods will be in late June, late July, and early to mid-August.
  10. Heartland
    • Summer will be hotter than normal, with slightly below normal rainfall. The hottest periods will be in early to late June, early to late July, and mid-August.
  11. Texas–Oklahoma
    • Summer will be cooler and rainier than normal, with the hottest periods in mid-July and mid-August. Expect a hurricane threat in late August.
  12. High Plains
    • Summer will be a bit hotter than normal, with slightly below normal rainfall. The hottest periods will be in early and mid- to late July and mid-August. 
  13. Intermountain
    • Summer will be drier than normal, with temperatures warmer than normal in the northern part of the region and cooler in the south. The hottest periods will be in late June, early and late July and early and late August.
  14. Desert Southwest
    • Summer will be slightly hotter than normal, with the hottest periods in mid- and late June and early August. Rainfall will be below normal in the northwest and above normal in the southeast.
  15. Pacific Northwest
    • Summer will be warmer and rainier than normal, with the hottest temperatures in mid-June and early and mid- to late July.
  16. Pacific Southwest
    • Summer will be cooler than normal, with near-normal rainfall. The hottest periods will be from late May into early June and in mid-June and mid-July.
  17. Alaska
    • Summer will be cooler and a bit rainier than normal, with the hottest periods in early July and mid-August.
  18. Hawaii
    • Summer temperatures will be cooler than normal, on average, with slightly below normal rainfall. The warmest period will be in mid-June.

Regional Forecast Highlights – Canada

2018 Canadian Weather Regions

  1. Atlantic Canada 
    • Summer will be warmer and rainier than normal, with the hottest periods occurring in early July and mid-August.
  2. Southern Quebec
    • Summer will be hotter than normal, with the hottest periods in late June, early July, and early August. Rainfall will be above normal in the eastern part of the region and below normal in the west.
  3. Southern Ontario
    • Summer will be hotter than normal, with rainfall below normal in Southwest Ontario and above normal elsewhere.
  4. The Prairies
    • Summer will be warmer than normal with near-normal rainfall in the east and slightly cooler than normal and rainier in the west. The hottest periods will be in late July and early August.
  5. Southern British Columbia
    • Summer will be slightly cooler and drier than normal, with the hottest periods in early to mid-June, mid- to late July, and early August.
  6. Yukon
    • Summer will be rainier and slightly cooler than normal, with the warmest periods in early and late June, mid- and late July, and mid- and late August.
  7. Northwest Territories
    • Summer will be warmer and rainier than normal, with the warmest temperatures in mid- and late June, July, and early and mid-August.

Find all of this information—and more—in The 2018 Old Farmer’s Almanac. Pick up a copy of our little yellow book for weather, gardening, food, astronomy, and so much more!

Source: 

The 2018 Old Farmer's Almanac

Reader Comments

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weather in Sagamore Beach, MA 02562

I would appreciate so much knowing the weather forecast for Sagamore Beach, MA 02562 on September 13, 2017. We are having a gathering of fraternity brothers who are in their 70's. They are coming from all over the country. Thank you.

Weather for Hampton Roads area of Va on 9/15-9/20

Planning a wedding event this weekend and would love to know what the weather maybe. Thanks

Weather conditions for Cape

Weather conditions for Cape May NJ for August 27 to September 3, 2016. Thank you!!

mid west summer storms

We are planning to travel through Iowa, the Dakota's and Montana the third week of August 2016 and are very concerned about all the storms happening there and up in Sask. Will these severe storms continue on the next few weeks?? Maybe fly instead??

August weather

Hi, Jill, Thunderstorms are forecast intermittently through August, broadly speaking, in the locations you cite. It’s summer, and thunderstorms happen in August. And in July, as we’re seeing. As for driving vs flying, speaking personally, would you rather be on the ground or in the air in such an event? Only you can answer that. We appreciate your faith in our forecasts. Please understand that thunderstorms typically just pop-up. We predict them for some days and not others but that does not mean that they will not occur on those “other” days. Have a safe trip! It’s beautiful country—both of them!

Loved ya'll all my life, ya

Loved ya'll all my life, ya'll are what I learned to read on for I ever started school

Free long range weather forecast

What will the weather be like on the week starting August 14th to till the 20th in Maine . Please and thank you

Forecast April 23,2016

Forecast April 23,2016

Free Long-Range Forecasts

Hi Jan, We offer the current month’s forecasts and the next month’s forecast for free on this site, courtesy of The Old Farmer’s Almanac.  Just hit the Weather tab.  For months beyond, look to the www.Almanac.com/store and you can purchase the digital long-range forecasts for the year!

What kind of weather will we

What kind of weather will we have on August 15th? 11719 area?

weather conditions for Cape

weather conditions for Cape Cod Massachusettes for September 5 through September 14 2015.Also sunrise and sunset times as well please. Thank you!

I would like to obtain the

I would like to obtain the weather conditions for September 25-26th of 2015 for Columbia, S.C.
I would like the time of sunrise and sunset on these dates as well.

Needing weather forcast for

Needing weather forcast for weekend of september 25 &26 2015 for an outside wedding in northeast Tennessee.

Looking for the forecast for

Looking for the forecast for Alaska for mid July. Doing a cruise.

The July long-range weather

The July long-range weather predictions are posted. Click on the Weather Tab above.  Keep in mind that these forecasts were created 18 month ago!  They are regional trends, not day-by-day forecasts.

I'm looking for the weather

I'm looking for the weather forecast for the weekend of August 22nd. 2015 for the Seattle WA. area

Forcast for inland northwest around august 14,2018

near Pullman, Washington along the Snake River

Thank God Oklahoma got a lot

Thank God Oklahoma got a lot of rain just before summer kicked in or the state would be in a lot of trouble.

I would be interested in

I would be interested in learning the weather for the first week in August 2015 near Rolla & Southeast Missouri

Thank You, Lisa

Weather for kansas 8-14-2015

Weather for kansas 8-14-2015 that week

Looking for a weather

Looking for a weather forecast for 8-12-15 through 8-17-15

Please provide me with

Please provide me with weather forecast for July 25, 2015 in Washington DC
Thank you

Hi, I'm looking fo weather

Hi,
I'm looking fo weather report in nor eastern Vermont for July 10th - 16th

Thanks

Hi there, I am looking for

Hi there,
I am looking for the forecast for July 18th 2015 in Kingston Ontario

I am trying to find out the

I am trying to find out the forecast in Pompton Lakes New Jersey for July 18th, 2015

I have family in the U.S. and

I have family in the U.S. and follow their weather on your wonderful charts- even when they go on vacation. Do you have them for the UK also, they seem great to have around.....Thank You, John.

Hello, I am trying to find

Hello,

I am trying to find forecast information for SK, AB and ON Canada for Summer and Fall 2015 (and Spring if possible) that shows in detail (the specific area (ie: southern SK (Regina area) or Calgary, AB area). I am seeking temperatures in order to estimate potential hail storms. I am looking for sudden notable changes in temperature hot/cold cold/hot.

We are in the catastrophe relief business and this would be very helpful for planning and preparation.

Thank you,
Leannie

Taken together, these two

Taken together, these two maps don't make sense to me.

Looking at the mostly Canadian map, it shows dry in the
western area (shown in red) and wet for the rest of the
country (shown in green). The red Canadian area shades to
a salmon color (dry) as it goes through the United States.
The green Canadian area shades to a light green (wet) as it
goes into the USA.

On the USA map, the red dry area shades to salmon (dry) in
Canada, which is green (wet)on the Canadian map. Also on the USA map, the green (wet) area shades to a light green
(wet), which is red (dry) on the Canadian map.

Also, how can Canada be wet and right across the border in
the United States, it is dry.

This is all very confusing.

-William

William, Look at the

William,

Look at the interactive maps to identify the region. The forecasts are specific to the region, not to the state/province. Those two maps are just generalized maps for overview purposes.

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