Galveston, Texas Weather
Camellia Blooms Break Through. Day 50 of autumn. Read this microseason across nine climate regions →
Galveston weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 2:52 PM CST · Open-Meteo
- TodayNov 10Light Rain later41%0.12″76°62°—
- WednesdayNov 11Rain51%0.32″71°65°-5°
- ThursdayNov 12Overcast——78°62°+7°
- FridayNov 13Overcast——76°63°-2°
- SaturdayNov 14Heavy Showers15%4.4″75°59°-1°
- SundayNov 15Light Drizzle36%0.01″63°60°-12°
- MondayNov 16Overcast28%—63°54°0°
Air quality now AQI 64 · Moderate
AQI 64 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 3 hours of recent rain — PM2.5 down to 18.2 µg/m³, PM10 to 22.2 µg/m³.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 49. Overcast through the UV peak window (cloud cover ~90%) — afternoon ozone should stay flat.
- Present
- AQI 49
- UV peak
- 2.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 18.2 µg/m³, PM10 to 22.2 µg/m³.
- PM2.5/PM10
- 0.82
- Wind
- light
- Recent rain
- 3h in last 6h
- Pattern
- washed out
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).
When the wind is in the west, the weather is at its best.
- Moonrise
- 8:06 AM
- Moonset
- —
- In sign
- ♐︎ Sagittarius
Camellia Blooms Break Through
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Galveston at a glance
- Today vs. normal: Today averages 69°F (high 76°F, low 62°F), 2°F above the 67°F normal for Nov 10
- Last frost: None in most years — 32°F in 48% of 1991–2020 years (NOAA station 4 km away)
- Microseason: Nov 6–10
- Planting calendar: November — plant lettuce, peas, spinach, radishes, tomatoes, peppers, squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Galveston
- Tue76°62°31%
- Wed71°65°54%
- Thu78°62°1%
- Fri76°63°0%
- Sat75°59°12%
- Sun63°60°36%
- Mon63°54°35%
- Tue63°48°7%
- Wed69°59°6%
- Thu71°66°21%
- Fri76°67°18%
- Sat80°51°61%
- Sun55°44°42%
- Mon54°40°13%
- Tue53°42°23%
- Wed62°46°23%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Galveston
Interactive wind and temperature map centered on Galveston — it loads in your browser. Open the full weather map.
Right now in the garden
Year-round growing
As of November 10, sowing here runs through the year. Freezes are uncommon, so there is no frost date to plan around; heat and rainfall set the calendar instead. This city's planting calendar for November: plant lettuce, peas, spinach, radishes, tomatoes, peppers, and squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Galveston
SPC includes Galveston in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Galveston
Galveston sits in Galveston County, where the year’s longest day runs 14h 1m of daylight and its shortest just 10h 16m — a swing of +3h 45m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Houston, the state’s largest city, lies about 48 miles to the NW. The nearest town Galveston tracks is Pasadena, roughly 32 miles to the NNW.
Air quality in Galveston
Air quality in Galveston’s county has trended dirtier since 2020; its cleanest year on record was 2021 (median AQI 43). See the full air-quality history for Galveston.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| February | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, summer squash, winter squash |
| March | lettuce, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, summer squash, winter squash |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| May | squash | tomatoes, peppers, beans, summer squash |
| June | peppers, squash | tomatoes, peppers, beans, summer squash, winter squash |
| July | tomatoes, peppers, beans, squash | tomatoes, summer squash, winter squash |
| August | lettuce, peas, spinach, tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | summer squash, winter squash |
| October | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, peppers, beans, summer squash, winter squash |
| November | lettuce, peas, spinach, radishes, tomatoes, peppers, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| December | lettuce, peas, spinach, radishes, tomatoes, peppers, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
A year in weather
August is Galveston's warmest stretch (~86°F) and January its coldest (~56°F); precipitation crests in September at 6.7 inches and ebbs in April to 2.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 56° | 4.3″ | 5 |
| February | 59° | 2.1″ | 3 |
| March | 65° | 3.0″ | 4 |
| April | 72° | 2.1″ | 3 |
| May | 78° | 3.0″ | 3 |
| June | 84° | 4.2″ | 6 |
| July | 86° | 3.4″ | 6 |
| August | 86° | 4.7″ | 5 |
| September | 82° | 6.7″ | 7 |
| October | 75° | 5.2″ | 5 |
| November | 66° | 4.3″ | 5 |
| December | 59° | 4.2″ | 5 |
Regional context
Similar climates Tiki Island, TX, Bayou Vista, TX, Jamaica Beach, TX
Drawing on NOAA NCEI 1991-2020 normals, Galveston's January averages 56°F and July 86°F — 30°F apart — while precipitation totals roughly 47.2 inches over some 56 days.
Galveston's precipitation spreads evenly across the seasons: September peaks at 6.7 inches on 6.9 wet days, while April holds 2.1 inches over 3.2 — no season dominates Galveston's rain calendar. That even rhythm groups Galveston with places like Tiki Island, TX, Bayou Vista, TX and Jamaica Beach, TX.
Galveston rarely sees a hard freeze — its coldest month sits near 56°F — so planting spans most of the calendar. Heat peaks in August around 86°F, which confines cool-season crops to the shoulders of summer. Galveston's rare cold nights chill open ground first.
Similar climates: Tiki Island, TX, Bayou Vista, TX, Jamaica Beach, TX, Hitchcock, TX, La Marque, TX.
Frequently asked
- When does it freeze in Galveston?
- A freeze is the exception in Galveston: the nearest NOAA station hit 32°F in 48% of 1991–2020 years, too few for a frost date in Galveston.
- What is the rainy season in Galveston?
- Galveston sees its heaviest rain in September (around 6.7 inches), part of roughly 47 inches a year.
- What is the warmest month in Galveston?
- Galveston peaks in August, when the mean runs near 86°F.
- What is the coldest month in Galveston?
- January is Galveston's coldest month, averaging about 56°F.
- When can I start a vegetable garden in Galveston?
- Start whenever suits in Galveston — freezes are too rare for a frost date — and save lettuce and peas for Galveston's coolest stretch, near 56°F.
- How many rainy days does Galveston get?
- Expect roughly 56 wet days a year in Galveston.
- What hardiness zone is Galveston?
- Because Galveston bottoms near 56°F in January, that winter low sets Galveston's USDA zone — verify by ZIP.
- What is the 10-day forecast for Galveston?
- Galveston'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 Galveston?
- See this week's day-by-day rain chances for Galveston in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Galveston?
- Current conditions for Galveston and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Galveston forecast updated?
- The Galveston forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Galveston?
- Today's sunrise and sunset times for Galveston 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 Galveston?
- The next few days in Galveston's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Galveston sits at 29.2°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Galveston
- 77550
- 77551
- 77552
- 77553
- 77554
- 77555