McCoole, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
McCoole weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast29%—98°76°—
- SundayJul 5Light Drizzle39%0.01″95°73°-3°
- MondayJul 6T-storm w/ Hail89%—85°70°-10°
- TuesdayJul 7Thunderstorm62%—80°66°-5°
- WednesdayJul 8Light Showers20%0.02″81°66°+1°
- ThursdayJul 9Overcast14%—92°64°+11°
- FridayJul 10Light Drizzle47%—87°69°-5°
AQI 64 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.96 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
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 38. Overcast through the UV peak window (cloud cover ~92%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.96 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:26 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
McCoole at a glance
- Today vs. normal: 7°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 — McCoole
- Sat98°76°29%
- Sun95°74°39%
- Mon85°70°89%
- Tue80°66°62%
- Wed81°66°20%
- Thu92°64°14%
- Fri87°69°47%
- Sat75°65°31%
- Sun81°60°24%
- Mon84°55°21%
- Tue89°59°17%
- Wed82°60°35%
- Thu87°59°29%
- Fri87°63°35%
- Sat94°65°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 — McCoole
SPC has placed McCoole 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 McCoole
- 21557
- 21562