Savannah, Georgia Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Savannah weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 10:20 AM EDT · Open-Meteo
- TodaySep 21Overcast later13%—86°75°—
- TuesdaySep 22Clear19%—86°73°0°
- WednesdaySep 23T-storm w/ Hail58%—89°71°+3°
- ThursdaySep 24Drizzle17%—72°67°-17°
- FridaySep 25Overcast——81°61°+9°
- SaturdaySep 26Overcast——79°57°-2°
- SundaySep 27Overcast——82°60°+3°
Air quality now AQI 34 · Good
AQI 34 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 3.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.79 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.79
- 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
- 4:36 PM
- Moonset
- 2:08 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Savannah at a glance
- Today vs. normal: Today averages 81°F (high 86°F, low 75°F), 5°F above the 76°F normal for Sep 21
- Last frost: March 2 (1991–2020 median, NOAA station 12 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest peppers, beans, summer squash, winter squash
16-Day Forecast — Savannah
- Mon86°75°13%
- Tue86°73°19%
- Wed89°71°58%
- Thu72°67°17%
- Fri81°61°3%
- Sat79°57°4%
- Sun82°60°6%
- Mon85°63°9%
- Tue85°67°17%
- Wed85°69°21%
- Thu82°71°18%
- Fri85°71°29%
- Sat83°73°29%
- Sun86°73°39%
- Mon80°70°33%
- Tue73°60°26%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Savannah
Interactive wind and temperature map centered on Savannah — 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 30) is about 10 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest peppers, beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Savannah
SPC includes Savannah in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Savannah
Savannah sits in Chatham County, where the year’s longest day runs 14h 15m of daylight and its shortest just 10h 3m — a swing of +4h 12m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Atlanta, the state’s largest city, lies about 223 miles to the WNW. The nearest town Savannah tracks is Augusta, roughly 106 miles to the NNW.
Air quality in Savannah
Air quality in Savannah’s county has held roughly steady since 2020; its cleanest year on record was 2024 (median AQI 44). See the full air-quality history for Savannah.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | beans, squash | lettuce, peas, spinach, beans, summer squash, garlic |
| June | beans, squash | tomatoes, peppers, beans, summer squash, garlic |
| July | beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
Savannah peaks at about 81°F in July and bottoms near 51°F in January; August brings the heaviest rain (7.2 inches) and November the least (2.1 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 51° | 3.6″ |
| February | 53° | 3.1″ |
| March | 59° | 3.9″ |
| April | 66° | 2.7″ |
| May | 74° | 2.7″ |
| June | 80° | 4.8″ |
| July | 81° | 6.8″ |
| August | 81° | 7.2″ |
| September | 77° | 4.6″ |
| October | 70° | 2.4″ |
| November | 60° | 2.1″ |
| December | 53° | 3.1″ |
Regional context
Similar climates Georgetown, GA, Garden City, GA, Henderson, GA
In Savannah, modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo) put January near 51°F and July near 81°F — a 31°F seasonal arc — with about 46.7 inches of precipitation.
Precipitation in Savannah runs summer-dominant: August averages 7.2 inches from warm-season storms, while November drops to 2.1 inches under drier cool air. That puts Savannah in a summer-convective cohort with places like Georgetown, GA, Garden City, GA and Henderson, GA.
Around March 2, Savannah sheds its freezing nights — lettuce, chard, arugula, and mustard greens go into Savannah's beds. Tomatoes and peppers do best set out two weeks later in Savannah, once nights clear the mid-40s°F. The season ends by November 30 in Savannah, once hard frosts set back in. That date is a median: Savannah freezes sooner in half of years.
Similar climates: Georgetown, GA, Garden City, GA, Henderson, GA, Vernonburg, GA, Pooler, GA.
Frequently asked
- When does it freeze in Savannah?
- In Savannah, expect the last spring frost near March 2; Savannah's first autumn frost comes around November 30.
- What is the rainy season in Savannah?
- August is the wettest month in Savannah, about 7.2 inches on average; the year totals roughly 47 inches.
- What is the warmest month in Savannah?
- July is Savannah's warmest month, averaging about 81°F.
- What is the coldest month in Savannah?
- Savannah bottoms out in January, with a mean near 51°F.
- When can I start a vegetable garden in Savannah?
- Savannah's last frost (March 2) cues hardy greens; in Savannah, hold heat-lovers two weeks past.
- What hardiness zone is Savannah?
- Savannah's hardiness zone tracks its winter low; with January near 51°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Savannah?
- Savannah'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 Savannah?
- See this week's day-by-day rain chances for Savannah in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Savannah?
- Current conditions for Savannah and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Savannah forecast updated?
- The Savannah forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Savannah?
- Today's sunrise and sunset times for Savannah 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 Savannah?
- The next few days in Savannah's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Savannah sits at 32.0°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Savannah
- 31302
- 31401
- 31403
- 31404
- 31405
- 31406
- 31407
- 31408
- 31409
- 31410
- 31411
- 31412
- 31415
- 31416
- 31418
- 31419
- 31420
- 31421