Calvert Beach, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Calvert Beach weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain36%0.11″96°75°—
- SundayJul 5Overcast22%—93°74°-3°
- MondayJul 6Thunderstorm71%—85°76°-8°
- TuesdayJul 7Thunderstorm71%—80°72°-5°
- WednesdayJul 8Light Drizzle36%0.01″80°70°0°
- ThursdayJul 9Overcast13%—94°68°+14°
- FridayJul 10Drizzle35%0.05″99°73°+5°
AQI 152 (Unhealthy), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 86. Overcast through the UV peak window (cloud cover ~77%) — 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 86. Overcast through the UV peak window (cloud cover ~77%) — afternoon ozone should stay flat.
- Present
- AQI 86
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 14.0 µg/m³, PM10 to 15.4 µg/m³.
- PM2.5/PM10
- 0.91
- Wind
- light
- Recent rain
- 2h 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
- 11:22 PM
- Moonset
- 11:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Calvert Beach at a glance
- Today vs. normal: 5°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.
16-Day Forecast — Calvert Beach
- Sat96°78°36%
- Sun93°76°22%
- Mon85°76°71%
- Tue80°72°71%
- Wed80°70°36%
- Thu94°68°13%
- Fri99°73°35%
- Sat80°71°39%
- Sun78°69°32%
- Mon82°65°18%
- Tue86°64°16%
- Wed92°67°25%
- Thu84°67°32%
- Fri87°70°36%
- Sat91°71°41%
- Sun93°70°48%
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 — Calvert Beach
SPC has placed Calvert Beach in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Calvert Beach
- 20685