Prince Frederick, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Prince Frederick weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle37%0.01″98°80°—
- SundayJul 5Overcast25%—95°76°-3°
- MondayJul 6Light Drizzle75%—87°75°-8°
- TuesdayJul 7Showers75%—80°73°-7°
- WednesdayJul 8Light Drizzle36%—80°70°0°
- ThursdayJul 9Overcast12%—96°68°+16°
- FridayJul 10Light Drizzle35%0.05″99°72°+3°
AQI 169 (Unhealthy), driven by Ozone. AQI up 73 in the last 6 hours — air quality is degrading. Ozone at AQI 126. Overcast through the UV peak window (cloud cover ~67%) — 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 126. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.
- Present
- AQI 126
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 15.0 µg/m³, PM10 at 17.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- light
- Recent rain
- 1h 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
- 11:22 PM
- Moonset
- 11:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Prince Frederick at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 20678
16-Day Forecast — Prince Frederick
- Sat98°80°37%
- Sun95°76°25%
- Mon87°75°75%
- Tue80°73°75%
- Wed80°70°36%
- Thu96°68°12%
- Fri99°72°35%
- Sat82°70°41%
- Sun78°68°30%
- Mon84°61°19%
- Tue89°62°16%
- Wed92°66°40%
- Thu87°64°42%
- Fri89°68°45%
- Sat90°71°39%
- Sun91°69°46%
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 — Prince Frederick
SPC has placed Prince Frederick 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 Prince Frederick
- 20678