Aberdeen Proving Ground, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Aberdeen Proving Ground weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast21%—101°79°—
- SundayJul 5Drizzle45%0.03″93°76°-8°
- MondayJul 6Heavy Drizzle84%—81°73°-12°
- TuesdayJul 7Thunderstorm84%—87°71°+6°
- WednesdayJul 8Drizzle29%0.02″79°67°-8°
- ThursdayJul 9Overcast13%—90°69°+11°
- FridayJul 10Overcast43%—93°74°+3°
AQI 98 (Moderate), driven by Ozone. AQI up 43 in the last 6 hours — air quality is degrading. Ozone at AQI 93 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 93 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 93
- UV peak
- 1.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 93
PM × Wind × Precip
PM2.5 at 9.7 µg/m³, PM10 at 10.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- light
- Recent rain
- 0h 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
- 10:57 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Aberdeen Proving Ground at a glance
- Today vs. normal: 27°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.
ZIP code: 21005
16-Day Forecast — Aberdeen Proving Ground
- Sat101°79°21%
- Sun93°76°45%
- Mon81°73°84%
- Tue87°71°84%
- Wed79°67°29%
- Thu90°69°13%
- Fri93°74°43%
- Sat91°74°37%
- Sun83°68°28%
- Mon77°68°19%
- Tue87°66°16%
- Wed88°66°39%
- Thu92°71°36%
- Fri89°76°36%
- Sat93°75°31%
- Sun92°74°49%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Aberdeen Proving Ground
SPC has placed Aberdeen Proving Ground 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 Aberdeen Proving Ground
- 21005