Crofton, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Crofton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain36%1.5″101°74°—
- SundayJul 5Rain52%0.26″96°75°-5°
- MondayJul 6Drizzle75%—85°74°-11°
- TuesdayJul 7Light Showers75%0.03″78°71°-7°
- WednesdayJul 8Light Drizzle37%0.01″79°69°+1°
- ThursdayJul 9Light Drizzle13%—95°68°+16°
- FridayJul 10Overcast40%—97°75°+2°
AQI 105 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 32 in the last 6 hours — air quality is degrading. Ozone at AQI 63. Overcast through the UV peak window (cloud cover ~68%) — afternoon ozone should stay flat.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 63. Overcast through the UV peak window (cloud cover ~68%) — afternoon ozone should stay flat.
- Present
- AQI 63
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 11.5 µg/m³, PM10 to 12.0 µg/m³.
- PM2.5/PM10
- 0.96
- Wind
- light
- Recent rain
- 3h 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
- 11:23 PM
- Moonset
- 11:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Crofton at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 21114
16-Day Forecast — Crofton
- Sat101°74°36%
- Sun96°75°52%
- Mon85°74°75%
- Tue78°71°75%
- Wed79°69°37%
- Thu95°68°13%
- Fri97°75°40%
- Sat85°71°34%
- Sun79°70°21%
- Mon85°66°19%
- Tue90°63°19%
- Wed90°65°40%
- Thu90°69°42%
- Fri90°70°35%
- Sat91°71°35%
- Sun91°69°39%
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 — Crofton
SPC has placed Crofton 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 Crofton
- 21054
- 21114