Rockville, Connecticut Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Rockville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle44%0.01″83°70°—
- MondayJul 6Rain83%0.46″73°63°-10°
- TuesdayJul 7Heavy Rain79%0.45″68°59°-5°
- WednesdayJul 8Overcast12%—78°59°+10°
- ThursdayJul 9Overcast18%—80°58°+2°
- FridayJul 10Thunderstorm37%0.02″81°62°+1°
- SaturdayJul 11Overcast28%—82°54°+1°
AQI 45 (Good), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 16.6 µg/m³ (AQI 65) with a 0.96 fine-to-coarse ratio and 6 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 during the projected peak around 5 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 16.6 µg/m³ (AQI 65) with a 0.96 fine-to-coarse ratio and 6 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
- 11:08 PM
- Moonset
- 10:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Rockville at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Rockville
- Sun83°70°44%
- Mon73°63°83%
- Tue68°59°79%
- Wed78°59°12%
- Thu80°58°18%
- Fri81°62°37%
- Sat82°54°28%
- Sun79°57°22%
- Mon64°56°21%
- Tue83°54°17%
- Wed84°62°15%
- Thu86°60°39%
- Fri88°68°31%
- Sat83°65°39%
- Sun87°65°33%
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 — Rockville
SPC includes Rockville in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Rockville
- 06066