2018 Long Range Weather Forecast for Honolulu, HI


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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

March 2018 Long Range Weather Forecast for Hawaii
DatesWeather Conditions
Mar 1-10Showers and heavy t-storms E, scattered showers C and W; warm
Mar 11-26Showers and heavy t-storms, cool E; daily showers, warm C; scattered showers, cool W. 27-31 Showers, cool E; sunny, warm W.
Marchtemperature 75° (1° above avg.)
precipitation 2" (avg.)

April 2018 Long Range Weather Forecast for Hawaii
DatesWeather Conditions
Apr 1-8Showers, warm
Apr 9-14Scattered showers, cool
Apr 15-30Daily showers, seasonable
Apriltemperature 75.5° (avg.)
precipitation 0.2" (0.5" below avg.)

Annual Weather Summary: November 2017 to October 2018

Winter season temperatures will be below normal, on average, with the coolest periods in early and mid-December, early and mid-January, and mid-February. Rainfall will be below normal, with the stormiest periods in mid-December and early and mid-March. April and May will be slightly cooler and drier than normal. Summer temperatures will be cooler than normal, on average, with slightly below normal rainfall. The warmest period will be in mid-June. September and October will be cooler and slightly drier than normal.

Key: east (E), central (C), west (W). Note: Temperature and precipitation are substantially based upon topography. The detailed forecast focuses on the HonoluluWaikiki area and provides general trends elsewhere.

About the Hawaii Region

The Hawaii long range weather region includes all or part of the following states: HAWAII (Hilo, Honolulu, Kahului, Pearl City, Waipahu).

Hawaii Neighboring Regions

Here are the regions that neighbor the Hawaii long range weather region:

    Temperature and Precipitation November 2017 to October 2018

    Temperature and Precipitation Graph

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