Crumpton, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Crumpton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain28%0.48″102°77°—
- SundayJul 5Heavy Showers47%1.7″96°75°-6°
- MondayJul 6Heavy Drizzle76%—84°72°-12°
- TuesdayJul 7Light Showers76%—76°70°-8°
- WednesdayJul 8Overcast32%—79°67°+3°
- ThursdayJul 9Drizzle11%—92°66°+13°
- FridayJul 10Light Drizzle36%0.01″95°73°+3°
AQI 153 (Unhealthy), driven by Ozone. AQI up 48 in the last 6 hours — air quality is degrading. Ozone at AQI 95. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
LIMIT OUTDOORS Limit prolonged outdoor exertion. Sensitive groups should avoid outdoor exertion. Consider rescheduling outdoor activities until AQI improves.
What's driving it
Ozone × UV × Sky
Ozone at AQI 95. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
- Present
- AQI 95
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 11
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.1 µg/m³, PM10 to 8.6 µg/m³.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- 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
- 11:20 PM
- Moonset
- 11:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Crumpton at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 21628
16-Day Forecast — Crumpton
- Sat102°77°28%
- Sun96°77°47%
- Mon84°72°76%
- Tue76°70°76%
- Wed79°67°32%
- Thu92°66°11%
- Fri95°73°36%
- Sat84°65°33%
- Sun78°66°27%
- Mon85°61°18%
- Tue87°63°18%
- Wed90°66°34%
- Thu89°65°35%
- Fri90°66°32%
- Sat90°70°35%
- Sun91°72°43%
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 — Crumpton
SPC has placed Crumpton in the Enhanced Risk category for severe thunderstorms today.
- TODAYENHEnhanced Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Crumpton
- 21628