Rockville, Missouri Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Rockville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Foggy——80°60°—
- TuesdayJun 16Rain18%0.20″80°60°0°
- WednesdayJun 17T-storm w/ Hail74%0.43″84°68°+4°
- ThursdayJun 18Drizzle74%—73°61°-11°
- FridayJun 19Overcast17%—78°58°+5°
- SaturdayJun 20Thunderstorm28%—81°61°+3°
- SundayJun 21T-storm w/ Hvy Hail56%0.21″83°70°+2°
AQI 31 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 42 now. With UV 6.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 42 now. With UV 6.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
- Present
- AQI 42
- UV peak
- 6.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 38
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:57 AM
- Moonset
- 8:56 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Rockville at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Rockville
- Mon80°60°1%
- Tue80°60°18%
- Wed84°68°74%
- Thu73°61°74%
- Fri78°58°17%
- Sat81°61°28%
- Sun83°70°56%
- Mon72°65°56%
- Tue67°65°28%
- Wed80°65°24%
- Thu87°70°18%
- Fri88°74°34%
- Sat87°74°23%
- Sun88°72°23%
- Mon81°68°21%
- Tue90°70°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 has placed Rockville in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
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 Rockville
- 64780