Brownsville, Texas Weather
Camellia Blooms Break Through. Day 50 of autumn. Read this microseason across nine climate regions →
Brownsville weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 1:27 PM CST · Open-Meteo
- TodayNov 10Overcast later30%0.23″71°66°—
- WednesdayNov 11Overcast12%—71°66°0°
- ThursdayNov 12Overcast——78°65°+7°
- FridayNov 13Overcast——81°69°+3°
- SaturdayNov 14Light Drizzle21%—83°70°+2°
- SundayNov 15Light Drizzle23%—82°70°-1°
- MondayNov 16Light Drizzle11%—79°72°-3°
Air quality now AQI 26 · Good
AQI 26 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 31. Overcast through the UV peak window (cloud cover ~90%) — afternoon ozone should stay flat.
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 31. Overcast through the UV peak window (cloud cover ~90%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 2.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 4.5 µg/m³, PM10 at 5.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.83
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 8:08 AM
- Moonset
- —
- In sign
- ♐︎ Sagittarius
Camellia Blooms Break Through
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Brownsville at a glance
- Today vs. normal: Today averages 69°F (high 71°F, low 66°F), 3°F below the 72°F normal for Nov 10
- Last frost: None in most years — 32°F in 31% of 1991–2020 years (NOAA station 10 km away)
- Microseason: Nov 6–10
- Planting calendar: November — plant lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Brownsville
- Tue73°66°30%
- Wed71°65°12%
- Thu80°65°7%
- Fri80°68°1%
- Sat82°70°21%
- Sun79°70°23%
- Mon82°72°11%
- Tue75°71°12%
- Wed80°71°8%
- Thu80°72°9%
- Fri83°75°12%
- Sat83°76°34%
- Sun78°67°35%
- Mon78°65°26%
- Tue77°67°19%
- Wed76°66°26%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Brownsville
Interactive wind and temperature map centered on Brownsville — 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, beans, and squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Brownsville
SPC includes Brownsville in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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 Brownsville
Brownsville sits in Cameron County, where the year’s longest day runs 13h 46m of daylight and its shortest just 10h 31m — a swing of +3h 15m 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 291 miles to the NNE. The nearest town Brownsville tracks is McAllen, roughly 51 miles to the WNW.
Air quality in Brownsville
Air quality in Brownsville’s county has trended dirtier since 2020; its cleanest year on record was 2022 (median AQI 48). See the full air-quality history for Brownsville.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| February | lettuce, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| March | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| April | squash | tomatoes, peppers, beans, summer squash, winter squash |
| May | squash | tomatoes, peppers, beans, summer squash, winter squash |
| June | peppers, squash | tomatoes, peppers, summer squash, winter squash |
| July | tomatoes, peppers, squash | summer squash, winter squash |
| August | lettuce, peas, tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | lettuce, peas, spinach, tomatoes, peppers, beans, squash | summer squash, winter squash |
| October | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | beans, summer squash, winter squash |
| November | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| December | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
A year in weather
August is Brownsville's warmest stretch (~87°F) and January its coldest (~63°F); precipitation crests in September at 5.7 inches and ebbs in February to 1.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 63° | 1.1″ | 2 |
| February | 67° | 1.0″ | 2 |
| March | 71° | 1.4″ | 2 |
| April | 77° | 1.5″ | 2 |
| May | 82° | 2.2″ | 2 |
| June | 86° | 2.9″ | 4 |
| July | 86° | 2.0″ | 3 |
| August | 87° | 2.2″ | 4 |
| September | 83° | 5.7″ | 8 |
| October | 78° | 3.8″ | 5 |
| November | 71° | 1.8″ | 3 |
| December | 64° | 1.2″ | 3 |
Regional context
Similar climates Cameron Park, TX, Del Mar Heights, TX, Olmito, TX
By the nearest station's NOAA NCEI 1991-2020 normals, Brownsville sees 63°F Januarys and 86°F Julys, a 24°F range, plus around 26.8 inches of precipitation across 39 days.
Summer convection drives Brownsville's precipitation: September logs 5.7 inches on 7.6 rainy days, against February's 1.0 inches on 1.9 — warm-season storms carry Brownsville's moisture. That puts Brownsville in a summer-convective cohort with places like Cameron Park, TX, Del Mar Heights, TX and Olmito, TX.
Brownsville rarely sees a hard freeze — its coldest month sits near 63°F — so planting spans most of the calendar. Heat peaks in August around 87°F, which confines cool-season crops to the shoulders of summer. Brownsville's rare cold nights chill open ground first.
Similar climates: Cameron Park, TX, Del Mar Heights, TX, Olmito, TX, Orason, TX, Chula Vista, TX.
Frequently asked
- When does it freeze in Brownsville?
- Most years Brownsville doesn't freeze: the nearest NOAA station reached 32°F in 31% of 1991–2020 years, so Brownsville has no reliable frost date.
- What is the rainy season in Brownsville?
- Brownsville sees its heaviest rain in September (around 5.7 inches), part of roughly 27 inches a year.
- What is the warmest month in Brownsville?
- Brownsville peaks in August, when the mean runs near 87°F.
- What is the coldest month in Brownsville?
- January is Brownsville's coldest month, averaging about 63°F.
- When can I start a vegetable garden in Brownsville?
- Start whenever suits in Brownsville — freezes are too rare for a frost date — and save lettuce and peas for Brownsville's coolest stretch, near 63°F.
- How many rainy days does Brownsville get?
- Brownsville records around 39 days of measurable precipitation annually.
- What hardiness zone is Brownsville?
- Because Brownsville bottoms near 63°F in January, that winter low sets Brownsville's USDA zone — verify by ZIP.
- What is the 10-day forecast for Brownsville?
- Brownsville'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 Brownsville?
- See this week's day-by-day rain chances for Brownsville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Brownsville?
- Current conditions for Brownsville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Brownsville forecast updated?
- The Brownsville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Brownsville?
- Today's sunrise and sunset times for Brownsville 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 Brownsville?
- The next few days in Brownsville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Brownsville sits at 26.0°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Brownsville
- 78520
- 78521
- 78522
- 78526
- 78566
- 78575
- 78578