Westminster, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Westminster weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast22%—89°68°—
- SundayJul 5Rain67%0.17″80°70°-9°
- MondayJul 6Light Drizzle30%—79°65°-1°
- TuesdayJul 7Light Drizzle——79°63°0°
- WednesdayJul 8Overcast——83°63°+4°
- ThursdayJul 9Light Drizzle45%—81°65°-2°
- FridayJul 10Light Drizzle42%—79°70°-2°
AQI 29 (Good), driven by PM2.5. AQI down 16 over the last 6 hours — air quality is improving sharply. PM2.5 at 8.3 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 35 now. With UV 3.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 17 around 1 PM.
- Present
- AQI 35
- UV peak
- 3.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 8.3 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:31 PM
- Moonset
- 10:40 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Westminster at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Westminster
- Sat89°68°22%
- Sun80°70°67%
- Mon79°65°30%
- Tue79°63°8%
- Wed83°63°8%
- Thu81°65°45%
- Fri79°70°42%
- Sat84°65°25%
- Sun74°59°20%
- Mon63°58°11%
- Tue73°60°13%
- Wed82°62°35%
- Thu84°67°23%
- Fri82°69°23%
- Sat84°67°35%
- Sun85°69°26%
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 — Westminster
SPC has placed Westminster in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Westminster
- 45806
- 45804
- 45850