Brownsville, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Brownsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain32%0.07″100°76°—
- SundayJul 5Light Drizzle48%0.02″94°73°-6°
- MondayJul 6Light Showers84%0.09″84°72°-10°
- TuesdayJul 7Showers84%0.02″78°68°-6°
- WednesdayJul 8Light Drizzle31%0.04″73°65°-5°
- ThursdayJul 9Light Drizzle12%—94°66°+21°
- FridayJul 10Light Drizzle38%0.02″90°69°-4°
AQI 66 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 10.5 µg/m³, PM10 to 10.9 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 42 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 42
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 7
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 10.5 µg/m³, PM10 to 10.9 µg/m³.
- PM2.5/PM10
- 0.96
- Wind
- light
- Recent rain
- 2h 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:27 PM
- Moonset
- 11:20 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Brownsville at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 21715
16-Day Forecast — Brownsville
- Sat100°76°32%
- Sun94°73°48%
- Mon84°72°84%
- Tue78°68°84%
- Wed73°65°31%
- Thu94°66°12%
- Fri90°69°38%
- Sat83°67°30%
- Sun81°61°23%
- Mon84°55°17%
- Tue89°59°16%
- Wed83°64°40%
- Thu88°59°42%
- Fri91°63°38%
- Sat91°68°34%
- Sun82°68°44%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Brownsville
SPC has placed Brownsville in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.
ZIP codes in Brownsville
- 21758
- 21715