Henderson, Georgia Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Henderson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——96°72°—
- SundayJul 5Overcast25%—99°75°+3°
- MondayJul 6Thunderstorm32%—97°76°-2°
- TuesdayJul 7Overcast26%—101°78°+4°
- WednesdayJul 8Showers42%0.19″97°75°-4°
- ThursdayJul 9Heavy Drizzle42%0.04″95°75°-2°
- FridayJul 10Overcast27%—100°78°+5°
AQI 35 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 43 now. With UV 7.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 45 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43 now. With UV 7.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 45 around 1 PM.
- Present
- AQI 43
- UV peak
- 7.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 45
PM × Wind × Precip
PM2.5 at 6.3 µg/m³ (AQI 35) with a 0.74 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.74
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:08 PM
- Moonset
- 10:38 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Henderson at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: February 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Henderson
- Sat96°72°3%
- Sun99°75°25%
- Mon97°76°32%
- Tue101°78°26%
- Wed97°75°42%
- Thu95°75°42%
- Fri100°78°27%
- Sat98°80°24%
- Sun102°80°42%
- Mon98°80°33%
- Tue92°73°14%
- Wed93°71°33%
- Thu82°71°42%
- Fri92°76°43%
- Sat96°76°39%
- Sun98°76°42%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Henderson
SPC includes Henderson in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- 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. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
July is Henderson's warmest stretch (~81°F) and January its coldest (~51°F); precipitation crests in August at 7.2 inches and ebbs in November to 2.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 51° | 3.6″ | 15 |
| February | 53° | 3.1″ | 13 |
| March | 59° | 3.9″ | 15 |
| April | 66° | 2.7″ | 13 |
| May | 74° | 2.7″ | 16 |
| June | 80° | 4.8″ | 22 |
| July | 81° | 6.8″ | 27 |
| August | 81° | 7.2″ | 28 |
| September | 77° | 4.6″ | 21 |
| October | 70° | 2.4″ | 14 |
| November | 60° | 2.1″ | 12 |
| December | 53° | 3.1″ | 14 |
Frequently asked
- When does it freeze in Henderson?
- Frost typically leaves Henderson by mid-March and returns to Henderson near mid-December.
- What is the rainy season in Henderson?
- August is the wettest month in Henderson, about 7.2 inches on average; the year totals roughly 47 inches.
- What is the warmest month in Henderson?
- The warmest stretch in Henderson comes in July, around 81°F on average.
- What is the coldest month in Henderson?
- On average January is the chilliest month in Henderson, about 51°F.
- When can I start a vegetable garden in Henderson?
- Frost-hardy sowings begin at mid-March in Henderson; warm-season starts follow two weeks on.
- How many rainy days does Henderson get?
- Expect roughly 212 wet days a year in Henderson.
- What hardiness zone is Henderson?
- Henderson'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 Henderson?
- Henderson'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 Henderson?
- See this week's day-by-day rain chances for Henderson in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Henderson?
- Current conditions for Henderson and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Henderson forecast updated?
- The Henderson forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Henderson?
- Today's sunrise and sunset times for Henderson 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 Henderson?
- The next few days in Henderson's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Henderson, Georgia occupies a humid subtropical zone, with January means near 51°F and July around 81°F — a 30°F swing.
Yearly precipitation in Henderson totals around 47 inches, spread over about 212 days of rain or snow.
Latitude 32.0°N gives Henderson its 30°F swing, and with it the rhythm of Henderson's growing season.
ZIP codes in Henderson
- 31419