Bier, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Bier weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle31%0.01″96°73°—
- SundayJul 5Heavy Rain47%1.9″89°71°-7°
- MondayJul 6Heavy Showers90%2.3″85°70°-4°
- TuesdayJul 7Thunderstorm80%—79°67°-6°
- WednesdayJul 8Light Showers44%0.05″77°67°-2°
- ThursdayJul 9Overcast27%—93°65°+16°
- FridayJul 10Drizzle49%0.05″88°69°-5°
AQI 56 (Moderate), driven by PM2.5. AQI down 27 over the last 6 hours — air quality is improving sharply. PM2.5 at 8.3 µg/m³, PM10 at 8.7 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 34. Overcast through the UV peak window (cloud cover ~79%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 8.3 µg/m³, PM10 at 8.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- calm
- 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
- 11:33 PM
- Moonset
- 11:25 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Bier at a glance
- Today vs. normal: 3°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 — Bier
- Sat96°73°31%
- Sun89°71°47%
- Mon85°70°90%
- Tue79°67°80%
- Wed77°67°44%
- Thu93°65°27%
- Fri88°69°49%
- Sat76°65°32%
- Sun80°61°19%
- Mon84°56°13%
- Tue90°60°12%
- Wed83°61°35%
- Thu87°59°29%
- Fri90°64°35%
- Sat95°66°45%
- Sun78°67°45%
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 — Bier
SPC has placed Bier in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Bier
- 21557
- 21502