Climate Portland - Maine
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 31 | 35 | 42 | 53 | 64 | 73 |
| Average low in ºF Av. low Lo | 13 | 16 | 25 | 35 | 44 | 54 |
| Av. precipitation in inch Av. precip. Pre. | 3.38 | 3.25 | 4.24 | 4.32 | 4.01 | 3.79 |
| Av. snowfall in inch Snowfall Sn | 19 | 12 | 13 | 3 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 79 | 78 | 70 | 59 | 48 | 37 |
| Average low in ºF Av. low Lo | 59 | 58 | 50 | 39 | 31 | 20 |
| Av. precipitation in inch Av. precip. Pre. | 3.61 | 3.14 | 3.69 | 4.87 | 4.93 | 4.02 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 2 | 13 |
What is the average weather in Portland, Maine?
Portland experiences a humid continental climate, marked by warm summers and cold winters. Precipitation is fairly wet and spread relatively evenly throughout the year, with significant winter snowfall contributing to very snowy conditions. The seasonal contrast in temperatures is strong.
Portland Climate Graph - Maine Climate Chart
Daily normals Portland - Maine - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 34.1 | 18.1 | 0.12 | 0.12 | 0.50 | 0.50 |
| 2 Jan | 33.9 | 17.8 | 0.24 | 0.24 | 1.10 | 1.10 |
| 3 Jan | 33.7 | 17.6 | 0.36 | 0.36 | 1.70 | 1.70 |
| 4 Jan | 33.5 | 17.4 | 0.48 | 0.48 | 2.30 | 2.30 |
| 5 Jan | 33.3 | 17.2 | 0.60 | 0.60 | 2.90 | 2.90 |
| 6 Jan | 33.1 | 16.9 | 0.72 | 0.72 | 3.50 | 3.50 |
| 7 Jan | 32.9 | 16.7 | 0.84 | 0.84 | 4.10 | 4.10 |
| 8 Jan | 32.8 | 16.5 | 0.95 | 0.95 | 4.70 | 4.70 |
| 9 Jan | 32.6 | 16.3 | 1.06 | 1.06 | 5.40 | 5.40 |
| 10 Jan | 32.5 | 16.2 | 1.18 | 1.18 | 6.00 | 6.00 |
| 11 Jan | 32.4 | 16.0 | 1.29 | 1.29 | 6.60 | 6.60 |
| 12 Jan | 32.3 | 15.8 | 1.41 | 1.41 | 7.20 | 7.20 |
| 13 Jan | 32.2 | 15.6 | 1.52 | 1.52 | 7.80 | 7.80 |
| 14 Jan | 32.1 | 15.5 | 1.63 | 1.63 | 8.40 | 8.40 |
| 15 Jan | 32.0 | 15.3 | 1.74 | 1.74 | 9.00 | 9.00 |
| 16 Jan | 31.9 | 15.2 | 1.85 | 1.85 | 9.60 | 9.60 |
| 17 Jan | 31.9 | 15.1 | 1.96 | 1.96 | 10.20 | 10.20 |
| 18 Jan | 31.8 | 14.9 | 2.07 | 2.07 | 10.80 | 10.80 |
| 19 Jan | 31.8 | 14.8 | 2.18 | 2.18 | 11.30 | 11.30 |
| 20 Jan | 31.8 | 14.8 | 2.29 | 2.29 | 11.90 | 11.90 |
| 21 Jan | 31.8 | 14.7 | 2.40 | 2.40 | 12.50 | 12.50 |
| 22 Jan | 31.8 | 14.6 | 2.51 | 2.51 | 13.10 | 13.10 |
| 23 Jan | 31.8 | 14.5 | 2.63 | 2.63 | 13.70 | 13.70 |
| 24 Jan | 31.8 | 14.5 | 2.74 | 2.74 | 14.20 | 14.20 |
| 25 Jan | 31.9 | 14.5 | 2.85 | 2.85 | 14.90 | 14.90 |
| 26 Jan | 31.9 | 14.5 | 2.96 | 2.96 | 15.50 | 15.50 |
| 27 Jan | 32.0 | 14.5 | 3.07 | 3.07 | 16.10 | 16.10 |
| 28 Jan | 32.1 | 14.5 | 3.17 | 3.17 | 16.70 | 16.70 |
| 29 Jan | 32.2 | 14.5 | 3.28 | 3.28 | 17.30 | 17.30 |
| 30 Jan | 32.3 | 14.5 | 3.39 | 3.39 | 18.00 | 18.00 |
| 31 Jan | 32.4 | 14.6 | 3.50 | 3.50 | 18.60 | 18.60 |
Weather history Portland - August 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Aug | 82.0 | 61.0 | 0.00 | 0.00 | 0.0 |
| 02 Aug | 81.0 | 64.9 | 0.07 | 0.00 | 0.0 |
| 03 Aug | 73.9 | 64.0 | 1.02 | 0.00 | 0.0 |
| 04 Aug | 86.0 | 61.0 | 0.00 | 0.00 | 0.0 |
| 05 Aug | 82.9 | 57.9 | 0.00 | 0.00 | 0.0 |
| 06 Aug | 87.1 | 66.9 | 0.00 | 0.00 | 0.0 |
| 07 Aug | 90.0 | 71.1 | 0.00 | 0.00 | 0.0 |
| 08 Aug | 80.1 | 69.1 | T | 0.00 | 0.0 |
| 09 Aug | 91.9 | 66.0 | 0.00 | 0.00 | 0.0 |
| 10 Aug | 84.0 | 62.1 | 0.00 | 0.00 | 0.0 |
| 11 Aug | - | - | - | - | - |
| 12 Aug | - | - | - | - | - |
| 13 Aug | - | - | - | - | - |
| 14 Aug | - | - | - | - | - |
| 15 Aug | - | - | - | - | - |
| 16 Aug | - | - | - | - | - |
| 17 Aug | - | - | - | - | - |
| 18 Aug | - | - | - | - | - |
| 19 Aug | - | - | - | - | - |
| 20 Aug | - | - | - | - | - |
| 21 Aug | - | - | - | - | - |
| 22 Aug | - | - | - | - | - |
| 23 Aug | - | - | - | - | - |
| 24 Aug | - | - | - | - | - |
| 25 Aug | - | - | - | - | - |
| 26 Aug | - | - | - | - | - |
| 27 Aug | - | - | - | - | - |
| 28 Aug | - | - | - | - | - |
| 29 Aug | - | - | - | - | - |
| 30 Aug | - | - | - | - | - |
| 31 Aug | - | - | - | - | - |
Past weather Portland
| Aug 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 83.9 ºF | 31 ºF | |
| Average low temperature Av. low temp. | 64.4 ºF | 13 ºF | |
| Total precipitation Total precip. | 1.09 inch | 3.38 inch | |
| Total snowfall Total snowfall | 0.00 inch | 19 inch | |
| Highest max temperature Highest max temp. | 91.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 73.9 ºF | - | |
| Highest min temperature Highest min temp. | 71.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 57.9 ºF | - | |
Past weather August 2026 incomplete - Missing data
Geo Portland - Maine
| Country | United States | |
|---|---|---|
| State | Maine | |
| County | Cumberland | |
| City | Portland | |
| Zip Code | 4101 | |
| Longitude | -70.26 dec. degr. | |
| Latitude | 43.66 dec. degr. | |
| Altitude - Elevation | 52ft | |
| ICAO | - | |
| IATA | - |
Date and Time Portland - Maine
| Local Time | 11:54 PM | |
|---|---|---|
| Sunrise | 05:42 AM | |
| Sunset | 07:49 PM | |
| Day/Night | Night | |
| Timezone | Eastern Daylight Time | |
| Timezone DB | America - New York |
Map of Portland - Maine
USGS National Map — Open interactive map
Portland weather averages
| Annual high temperature | 56ºF |
| Annual low temperature | 37ºF |
| Average annual precip. | 47.25 inch |
| Av. annual snowfall | 62 inch |
Station Data
Monthly averages Portland
Longitude: -70.2553, Latitude: 43.6615
Average weather Portland, ME - 4101
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...