La Plata, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
La Plata weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Snow32%1.5″100°71°—
- SundayJul 5Overcast35%—98°74°-2°
- MondayJul 6Rain82%0.22″89°73°-9°
- TuesdayJul 7Showers79%—85°68°-4°
- WednesdayJul 8Showers40%0.24″77°69°-8°
- ThursdayJul 9Overcast12%—95°66°+18°
- FridayJul 10Light Drizzle36%0.01″98°70°+3°
AQI 107 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 54 in the last 6 hours — air quality is degrading. Ozone at AQI 73 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 73 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 73
- UV peak
- 0.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 73
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.1 µg/m³, PM10 to 10.3 µg/m³.
- PM2.5/PM10
- 0.88
- 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
- 10:59 PM
- Moonset
- 10:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
La Plata at a glance
- Today vs. normal: 27°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: 20646
16-Day Forecast — La Plata
- Sat100°71°32%
- Sun98°74°35%
- Mon89°73°82%
- Tue85°68°79%
- Wed77°69°40%
- Thu95°66°12%
- Fri98°70°36%
- Sat96°69°39%
- Sun84°67°28%
- Mon81°66°24%
- Tue88°63°18%
- Wed92°67°41%
- Thu91°67°43%
- Fri90°70°43%
- Sat97°69°39%
- Sun90°69°37%
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 — La Plata
SPC has placed La Plata in the Enhanced Risk category for severe thunderstorms today.
- TODAYENHEnhanced Risk
- TOMORROWSLGTSlight Risk
- DAY 3MRGLMarginal Risk
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 La Plata
- 20646