2018 Long Range Weather Forecast for Portland, ME
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See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.
To see long term forecasts for the entire year, pick up a copy of the annual Old Farmer’s Almanac, available online and in stores.
Note: Long range forecasts are regional, not city-specific. If your city is located inside a region, the region's forecast will apply to you.
Free 2-Month Weather Forecast
| Dates | Weather Conditions |
|---|---|
| Jul 1-2 | Sunny, hot |
| Jul 3-10 | Scattered t-storms, cool |
| Jul 11-18 | Sunny, warm |
| Jul 19-27 | A few t-storms, hot |
| Jul 28-31 | Showers |
| July | temperature 71° (1° above avg.) precipitation 3" (1" below avg.) |
| Dates | Weather Conditions |
|---|---|
| Aug 1-2 | Sunny, hot |
| Aug 3-8 | T-storms, then sunny, cool |
| Aug 9-14 | Scattered t-storms, warm |
| Aug 15-19 | Sunny, cool |
| Aug 20-29 | Isolated t-storms, hot |
| Aug 30-31 | Sunny, cool |
| August | temperature 71° (5° above avg.) precipitation 3" (1" below avg.) |
Annual Weather Summary: November 2017 to October 2018
Winter will be milder than normal, on average, with above-normal precipitation and snowfall. The coldest periods will be in late December and early February. The snowiest periods will be in late November, early to mid-December, mid- to late January, and early to mid-February. April and May will be rainier than normal, with near-normal temperatures. Summer will be hotter and slightly drier than normal, with the hottest periods in early June, early and mid-July, and early August. September and October will be slightly cooler and drier than normal.
About the Northeast Region
The Northeast long range weather region includes all or part of the following states: CONNECTICUT (Canaan, North Granby, Sharon Valley, West Cornwall, Winsted), MAINE (Auburn, Bangor, Lewiston, Portland, South Portland), MASSACHUSETTS (Chicopee, Haverhill, Lawrence, Lowell, Springfield), NEW HAMPSHIRE (Concord, Dover, Manchester, Nashua, Rochester), NEW JERSEY (Colesville, Glenwood, McAfee, Sussex, Wantage), NEW YORK (Albany, Poughkeepsie, Schenectady, Troy, Utica), VERMONT (Barre, Bennington, Burlington, Rutland, South Burlington).
Northeast Neighboring Regions
Here are the regions that neighbor the Northeast long range weather region:
Temperature and Precipitation November 2017 to October 2018
Reader Comments
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December in Seattle WA
What will the weather be in Seattle WA December 2018?
The events will take place in
The events will take place in New London, NH.
Wedding in August
I’m planning a weekend of weather reliant activities for my daughters wedding on August 25 th this year. Any suggestions?
Spring 2018
Wrong, wrong , wrong
weather in the Bronks NY for Aug 11 2018
Going to a Yankees game in the middle of Aug, Aug 11 to be exact was wondering how the weather looks for that day in the Bronx
What is the forecast for June 2, 2018.
How do I find out the "probable" forecast for June 2nd 2018, noon to 4:30 in Eliot, Maine
03903. AND ...how accurate is this forecast?
Wedding outside or inside?
summer heat/humidity
I am one who hates the extreme heat and humidity of the northeast summers. What do we have to look forward to this summer?
June weather, 2018
Family wants to fly in for a possible June visit; I see the rain predictions are still high. Any suggestions as to dates? Time to book flights✈️
Outdoor ceremony June 9
How’s early June look in New Hampshire?
Please and Thank you
Weather for first week of August 2018
Going to rough river
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