Climate Portland - Tennessee
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 45 | 49 | 59 | 69 | 77 | 85 |
| Average low in ºF Av. low Lo | 27 | 30 | 38 | 47 | 56 | 65 |
| Av. precipitation in inch Av. precip. Pre. | 4.41 | 4.77 | 4.79 | 4.41 | 5.89 | 4.15 |
| Av. snowfall in inch Snowfall Sn | 1 | 2 | 0 | 0 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 88 | 88 | 81 | 70 | 59 | 47 |
| Average low in ºF Av. low Lo | 68 | 67 | 59 | 48 | 39 | 29 |
| Av. precipitation in inch Av. precip. Pre. | 4.21 | 3.67 | 3.59 | 3.70 | 4.35 | 5.00 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 0 | 0 |
What is the average weather in Portland, Tennessee?
Portland experiences a humid subtropical climate, characterized by hot summers and cold winters with strong seasonal contrast. Rainfall is spread fairly evenly through the year, contributing to high annual precipitation, though spring is the wettest season. Occasional snowfall occurs during the colder months.
Portland Climate Graph - Tennessee Climate Chart
Daily normals Portland - Tennessee - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 45.6 | 27.6 | 0.13 | 0.13 | 0.00 | 0.00 |
| 2 Jan | 45.5 | 27.5 | 0.27 | 0.27 | 0.00 | 0.00 |
| 3 Jan | 45.4 | 27.4 | 0.41 | 0.41 | 0.00 | 0.00 |
| 4 Jan | 45.3 | 27.2 | 0.55 | 0.55 | 0.00 | 0.00 |
| 5 Jan | 45.2 | 27.1 | 0.69 | 0.69 | 0.00 | 0.00 |
| 6 Jan | 45.1 | 27.0 | 0.82 | 0.82 | 0.00 | 0.00 |
| 7 Jan | 45.0 | 26.9 | 0.96 | 0.96 | 0.00 | 0.00 |
| 8 Jan | 44.9 | 26.8 | 1.09 | 1.09 | 0.00 | 0.00 |
| 9 Jan | 44.9 | 26.7 | 1.23 | 1.23 | 0.00 | 0.00 |
| 10 Jan | 44.8 | 26.6 | 1.37 | 1.37 | 0.00 | 0.00 |
| 11 Jan | 44.8 | 26.6 | 1.50 | 1.50 | 0.00 | 0.00 |
| 12 Jan | 44.8 | 26.5 | 1.63 | 1.63 | 0.00 | 0.00 |
| 13 Jan | 44.8 | 26.4 | 1.76 | 1.76 | 0.00 | 0.00 |
| 14 Jan | 44.8 | 26.4 | 1.90 | 1.90 | 0.00 | 0.00 |
| 15 Jan | 44.8 | 26.3 | 2.04 | 2.04 | 0.00 | 0.00 |
| 16 Jan | 44.8 | 26.3 | 2.17 | 2.17 | 0.00 | 0.00 |
| 17 Jan | 44.9 | 26.2 | 2.31 | 2.31 | 0.00 | 0.00 |
| 18 Jan | 44.9 | 26.2 | 2.45 | 2.45 | 1.00 | 2.54 |
| 19 Jan | 45.0 | 26.2 | 2.58 | 2.58 | 1.00 | 2.54 |
| 20 Jan | 45.1 | 26.2 | 2.72 | 2.72 | 1.00 | 2.54 |
| 21 Jan | 45.1 | 26.2 | 2.86 | 2.86 | 1.00 | 2.54 |
| 22 Jan | 45.2 | 26.2 | 3.00 | 3.00 | 1.00 | 2.54 |
| 23 Jan | 45.4 | 26.2 | 3.13 | 3.13 | 1.00 | 2.54 |
| 24 Jan | 45.5 | 26.3 | 3.26 | 3.26 | 1.00 | 2.54 |
| 25 Jan | 45.6 | 26.3 | 3.39 | 3.39 | 1.00 | 2.54 |
| 26 Jan | 45.8 | 26.4 | 3.53 | 3.53 | 1.00 | 2.54 |
| 27 Jan | 45.9 | 26.4 | 3.65 | 3.65 | 1.00 | 2.54 |
| 28 Jan | 46.1 | 26.5 | 3.79 | 3.79 | 1.00 | 2.54 |
| 29 Jan | 46.3 | 26.6 | 3.92 | 3.92 | 2.00 | 5.08 |
| 30 Jan | 46.5 | 26.7 | 4.06 | 4.06 | 2.00 | 5.08 |
| 31 Jan | 46.6 | 26.8 | 4.20 | 4.20 | 2.00 | 5.08 |
Weather history Portland - May 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 May | 70.0 | 43.0 | 0.00 | 0.00 | 0.0 |
| 02 May | 69.1 | 41.0 | 0.00 | 0.00 | 0.0 |
| 03 May | 64.0 | 37.9 | 0.08 | 0.00 | 0.0 |
| 04 May | 68.0 | 45.0 | 0.00 | 0.00 | 0.0 |
| 05 May | 81.0 | 45.0 | 0.00 | 0.00 | 0.0 |
| 06 May | 81.0 | 45.0 | 1.03 | 0.00 | 0.0 |
| 07 May | 57.9 | 48.0 | 0.13 | 0.00 | 0.0 |
| 08 May | 64.9 | 42.1 | 0.00 | 0.00 | 0.0 |
| 09 May | 73.0 | 50.0 | 0.00 | 0.00 | 0.0 |
| 10 May | 79.0 | 55.9 | 0.00 | 0.00 | 0.0 |
| 11 May | 82.0 | 54.0 | 0.15 | 0.00 | 0.0 |
| 12 May | 82.0 | 46.9 | 0.00 | 0.00 | 0.0 |
| 13 May | 78.1 | 55.9 | 0.00 | 0.00 | 0.0 |
| 14 May | 82.9 | 50.0 | 0.00 | 0.00 | 0.0 |
| 15 May | 70.0 | 48.0 | 0.00 | 0.00 | 0.0 |
| 16 May | 80.1 | 54.0 | 0.00 | 0.00 | 0.0 |
| 17 May | 84.9 | 63.0 | 0.00 | 0.00 | 0.0 |
| 18 May | 89.1 | 66.9 | 0.00 | 0.00 | 0.0 |
| 19 May | 90.0 | 66.9 | 0.00 | 0.00 | 0.0 |
| 20 May | 91.0 | 66.9 | 0.00 | 0.00 | 0.0 |
| 21 May | - | 66.9 | 0.40 | 0.00 | 0.0 |
| 22 May | 73.9 | 62.1 | 0.16 | 0.00 | 0.0 |
| 23 May | 77.0 | 66.9 | 1.15 | 0.00 | 0.0 |
| 24 May | 78.1 | 66.9 | 0.41 | 0.00 | 0.0 |
| 25 May | 78.1 | 66.9 | 0.01 | 0.00 | 0.0 |
| 26 May | 80.1 | 68.0 | 0.33 | 0.00 | 0.0 |
| 27 May | 79.0 | 69.1 | 0.12 | 0.00 | 0.0 |
| 28 May | 86.0 | 68.0 | 0.00 | 0.00 | 0.0 |
| 29 May | 87.1 | 66.9 | 0.00 | 0.00 | 0.0 |
| 30 May | 80.1 | 69.1 | 0.01 | 0.00 | 0.0 |
| 31 May | 82.9 | 64.0 | 0.04 | 0.00 | 0.0 |
Past weather Portland
| May 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 78.0 ºF | 45 ºF | |
| Average low temperature Av. low temp. | 56.8 ºF | 27 ºF | |
| Total precipitation Total precip. | 4.02 inch | 4.41 inch | |
| Total snowfall Total snowfall | 0.00 inch | 1 inch | |
| Highest max temperature Highest max temp. | 91.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 57.9 ºF | - | |
| Highest min temperature Highest min temp. | 69.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 37.9 ºF | - | |
Past weather May 2026 incomplete - Missing data
Geo Portland - Tennessee
| Country | United States | |
|---|---|---|
| State | Tennessee | |
| County | Sumner | |
| City | Portland | |
| Zip Code | 37148 | |
| Longitude | -86.48 dec. degr. | |
| Latitude | 36.59 dec. degr. | |
| Altitude - Elevation | 801ft | |
| ICAO | - | |
| IATA | - |
Date and Time Portland - Tennessee
| Local Time | 06:41 PM | |
|---|---|---|
| Sunrise | 05:45 AM | |
| Sunset | 07:59 PM | |
| Day/Night | Day | |
| Timezone | Central Daylight Time | |
| Timezone DB | America - Chicago |
Map of Portland - Tennessee
USGS National Map — Open interactive map
Portland weather averages
| Annual high temperature | 68ºF |
| Annual low temperature | 48ºF |
| Average annual precip. | 52.94 inch |
| Av. annual snowfall | 3 inch |
Station Data
Monthly averages Portland
Longitude: -86.4769, Latitude: 36.5929
Average weather Portland, TN - 37148
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, ...