Rain forecast and rainfall this year
Portland, ME
No rain expected today.
Updated Monday 4:17 PM ET.
Forecast
4 percent chance of rain
TodayHigh 53°, low 45°No rain expected
13 percent chance of rain
TomorrowHigh 51°, low 39°No rain expected
Today in Portland
This year so far, since Jan 1
34.62 in
−6.03 in below normal for this point in the year (40.65 in).
National rank116th of 363
In Maine1st of 2
Biggest day1.98 in, May 14
Last measurable rain0.14 in, Nov 8, 2026
Month by month
Jan2.40
Feb1.36
Mar4.22
Apr3.09
May7.02
Jun5.31
Jul0.63
Aug2.71
Sep5.12
Oct1.67
Nov1.09
Dec–
This yearNormal
Nearby cities
- North ConwayNH31.30 in this year51 miles
- ManchesterNH27.90 in this year76 miles
- LowellMA27.18 in this year88 miles
- CambridgeMA28.65 in this year98 miles
- BostonMA28.65 in this year99 miles
More Portland weather
Forecast based on National Weather Service forecast data. Rainfall records are from NOAA Regional Climate Centers for the Portland Jetport station, recorded since 1940; normals are NOAA’s 1991–2020 averages. Totals are preliminary. Weather Scoreboard is not affiliated with the National Weather Service or NOAA.