Poolesville, Maryland Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Poolesville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Light Drizzle41%—77°65°—
- TuesdayJun 16Overcast——80°55°+3°
- WednesdayJun 17Overcast14%—86°65°+6°
- ThursdayJun 18Thunderstorm33%—88°66°+2°
- FridayJun 19Light Showers48%0.24″78°63°-10°
- SaturdayJun 20Overcast——76°56°-2°
- SundayJun 21Overcast——82°54°+6°
AQI 38 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 44 — peak already passed at 1 PM under partly cloudy 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 44 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 0.9 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 5.8 µg/m³, PM10 at 6.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- breezy
- 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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:44 AM
- Moonset
- 8:51 PM
- In sign
- ♋︎ Cancer
Solstice approaches — longest light
Poolesville at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Poolesville
- Mon77°65°41%
- Tue80°55°2%
- Wed86°65°14%
- Thu88°66°33%
- Fri78°63°48%
- Sat76°56°7%
- Sun82°54°8%
- Mon72°61°39%
- Tue71°59°36%
- Wed68°60°15%
- Thu72°63°25%
- Fri76°64°50%
- Sat81°59°50%
- Sun91°58°33%
- Mon93°71°24%
- Tue85°70°42%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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.
ZIP codes in Poolesville
- 20837