Mount Briar, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Mount Briar weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle31%0.04″100°75°—
- SundayJul 5Overcast45%—94°73°-6°
- MondayJul 6Light Showers80%2.5″88°72°-6°
- TuesdayJul 7Showers80%0.02″78°68°-10°
- WednesdayJul 8Light Drizzle29%0.04″73°65°-5°
- ThursdayJul 9Light Drizzle12%—94°66°+21°
- FridayJul 10Light Drizzle37%0.02″90°69°-4°
AQI 80 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 9.6 µg/m³, PM10 at 10.0 µg/m³ — typical background levels with no transport signature.
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 43 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 43
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 9.6 µg/m³, PM10 at 10.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- light
- Recent rain
- 1h 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:28 PM
- Moonset
- 11:20 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mount Briar at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Mount Briar
- Sat100°75°31%
- Sun94°73°45%
- Mon88°72°80%
- Tue78°68°80%
- Wed73°65°29%
- Thu94°66°12%
- Fri90°69°37%
- Sat83°67°30%
- Sun81°61°23%
- Mon84°55°17%
- Tue89°59°16%
- Wed83°64°20%
- Thu88°59°29%
- Fri91°63°32%
- Sat91°68°35%
- Sun82°68°53%
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 — Mount Briar
SPC has placed Mount Briar in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal 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 Mount Briar
- 21756