Birmingham, Alabama Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Birmingham weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 1:20 AM CDT · Open-Meteo
- TodaySep 21Light Drizzle later22%0.01″90°74°—
- TuesdaySep 22Overcast35%—90°72°0°
- WednesdaySep 23Light Drizzle17%—91°73°+1°
- ThursdaySep 24Overcast11%—82°70°-9°
- FridaySep 25Overcast——84°64°+2°
- SaturdaySep 26Overcast——84°67°0°
- SundaySep 27Overcast——85°64°+1°
Air quality now AQI 63 · Moderate
AQI 63 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 25.3 µg/m³ (AQI 81) with a 0.98 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 25.3 µg/m³ (AQI 81) with a 0.98 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.98
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:02 PM
- Moonset
- 1:27 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Birmingham at a glance
- Today vs. normal: Today averages 82°F (high 90°F, low 74°F), 10°F above the 72°F normal for Sep 21
- Last frost: March 21 (1991–2020 median, NOAA station 6 km away)
- Microseason: Sep 21–25
- Planting calendar: September — harvest tomatoes, peppers, beans, summer squash, winter squash
15-Day Forecast — Birmingham
- Mon90°74°22%
- Tue90°72°35%
- Wed91°73°17%
- Thu82°70°11%
- Fri84°64°2%
- Sat84°67°1%
- Sun85°64°4%
- Mon81°66°4%
- Tue88°66°18%
- Wed88°68°27%
- Thu88°67°15%
- Fri90°65°15%
- Sat90°72°23%
- Sun89°72°19%
- Mon89°70°14%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Birmingham
Interactive wind and temperature map centered on Birmingham — it loads in your browser. Open the full weather map.
Right now in the garden
Late season
As of September 21, the first frost (around November 11) is about 7 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: harvest tomatoes, peppers, beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Birmingham
SPC has placed Birmingham in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Birmingham
Birmingham sits in Jefferson County, where the year’s longest day runs 14h 23m of daylight and its shortest just 9h 56m — a swing of +4h 27m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Birmingham is the state’s largest city. The nearest town Birmingham tracks is Graysville, roughly 13 miles to the NW.
Air quality in Birmingham
Air quality in Birmingham’s county has trended dirtier since 2020; its cleanest year on record was 2025 (median AQI 52). See the full air-quality history for Birmingham.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes | radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | beans, squash | beans, summer squash, garlic |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| September | — | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
In Birmingham, July runs warmest near 80°F and January coldest around 42°F, while March is the wettest month (5.7 inches) and October the driest (2.4 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 42° | 5.2″ |
| February | 46° | 4.7″ |
| March | 53° | 5.7″ |
| April | 61° | 4.8″ |
| May | 69° | 3.2″ |
| June | 77° | 3.6″ |
| July | 80° | 4.2″ |
| August | 79° | 4.6″ |
| September | 74° | 2.8″ |
| October | 65° | 2.4″ |
| November | 52° | 4.3″ |
| December | 45° | 5.5″ |
Regional context
Similar climates Mountain Brook, AL, Homewood, AL, Tarrant, AL
Birmingham swings from 42°F in January to 80°F in July (38°F) per modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo); precipitation in Birmingham runs about 51.1 inches.
Rainfall in Birmingham splits evenly between the seasons: March tops out at 5.7 inches, and October logs 2.4 inches — neither half of Birmingham's year dominates. That even rhythm groups Birmingham with places like Mountain Brook, AL, Homewood, AL and Tarrant, AL.
Around March 21, Birmingham sheds its freezing nights — peas, lettuce, spinach, and radishes go into Birmingham's beds. Birmingham's heat-lovers — tomatoes, peppers, squash — hold off until Birmingham's frost risk clears, 10-14 days on. Frost returns to Birmingham near November 11, ending the tender-crop season. That date is a median: Birmingham freezes sooner in half of years.
Similar climates: Mountain Brook, AL, Homewood, AL, Tarrant, AL, Vestavia Hills, AL, Fultondale, AL.
Frequently asked
- When does it freeze in Birmingham?
- Frost typically leaves Birmingham by March 21 and returns to Birmingham near November 11.
- What is the rainy season in Birmingham?
- Rainfall in Birmingham peaks in March near 5.7 inches, out of about 51 inches annually.
- What is the warmest month in Birmingham?
- On average July tops the year in Birmingham at about 80°F.
- What is the coldest month in Birmingham?
- The coldest stretch in Birmingham falls in January, around 42°F on average.
- When can I start a vegetable garden in Birmingham?
- In Birmingham, sow peas and hardy greens around March 21; Birmingham's tomatoes and peppers wait two weeks more.
- What hardiness zone is Birmingham?
- Since January in Birmingham averages 42°F, Birmingham's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Birmingham?
- Birmingham's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Birmingham?
- See this week's day-by-day rain chances for Birmingham in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Birmingham?
- Current conditions for Birmingham and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Birmingham forecast updated?
- The Birmingham forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Birmingham?
- Today's sunrise and sunset times for Birmingham are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Birmingham?
- The next few days in Birmingham's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Birmingham sits at 33.5°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Birmingham
- 35061
- 35068
- 35094
- 35201
- 35202
- 35203
- 35204
- 35205
- 35206
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- 35210
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