Georgetown, Maryland Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Georgetown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain57%0.57″101°77°—
- SundayJul 5Light Drizzle54%0.03″97°76°-4°
- MondayJul 6Thunderstorm82%—86°73°-11°
- TuesdayJul 7Showers77%—76°71°-10°
- WednesdayJul 8Overcast33%—77°67°+1°
- ThursdayJul 9Drizzle12%—89°69°+12°
- FridayJul 10Light Drizzle37%0.01″91°78°+2°
AQI 131 (Unhealthy for Sensitive Groups), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 76 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 76 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
- Present
- AQI 76
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 13
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 10.4 µg/m³, PM10 to 11.2 µg/m³.
- PM2.5/PM10
- 0.93
- 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
- 11:21 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Georgetown at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 21930
16-Day Forecast — Georgetown
- Sat101°78°57%
- Sun97°76°54%
- Mon86°73°82%
- Tue76°71°77%
- Wed77°67°33%
- Thu89°69°12%
- Fri91°78°37%
- Sat84°70°33%
- Sun77°68°26%
- Mon83°64°18%
- Tue84°67°18%
- Wed88°73°29%
- Thu86°69°29%
- Fri89°67°29%
- Sat86°71°41%
- Sun89°72°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 — Georgetown
SPC has placed Georgetown 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 Georgetown
- 21620