Portland, Maine Weather Forecast

Cumberland County 43.68°N, 70.27°W Pop. 203,969

Portland is in Cumberland County, Maine. This page has current conditions, radar, a 7-day forecast, observed rainfall and the NWS written forecast for the area.

Active Weather Alerts

7-Day Forecast for Portland

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Hourly charts, 15-day outlook and more for Portland in Local Wx →

Growing Conditions

Growing degree days
2,674
since Apr 1, base 50°F
Rain, last 30 days
1.45 in
model analysis
Rain, year to date
28.27 in
since Jan 1
2-inch soil temperature
49°F
yesterday, daily average
Reference ET, last 7 days
0.66 in
FAO-56 grass reference
Through Oct 23. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Portland →

Current Stats & Observations

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NWS Forecast

About Portland Weather

Portland sits at about 0 feet above sea level in Cumberland County, Maine. About 203,969 people live in the Portland area. Official forecasts and warnings for the area come from the National Weather Service GYX office, and the nearest NEXRAD radar site is KGYX. The city is in USDA plant hardiness zone 6a, where the coldest winter night typically falls between -10 to -5°F. Over the past ten years the last spring freeze has come around Apr 12 and the first fall freeze around Nov 6.