Grand River, Ohio Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Grand River weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast42%—85°72°—
- SundayJul 5Overcast26%—81°71°-4°
- MondayJul 6T-storm w/ Hail40%0.02″74°70°-7°
- TuesdayJul 7Light Drizzle18%0.01″72°68°-2°
- WednesdayJul 8Overcast——78°66°+6°
- ThursdayJul 9Light Drizzle36%—77°69°-1°
- FridayJul 10Thunderstorm53%—77°70°0°
AQI 81 (Moderate), driven by Ozone. AQI up 39 in the last 6 hours — air quality is degrading. Ozone at AQI 124 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 124 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 124
- UV peak
- 4.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 124
PM × Wind × Precip
PM2.5 at 11.0 µg/m³, PM10 at 11.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- 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
- 11:22 PM
- Moonset
- 10:27 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Grand River at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 44045
16-Day Forecast — Grand River
- Sat85°72°42%
- Sun81°71°26%
- Mon74°70°40%
- Tue72°68°18%
- Wed78°66°4%
- Thu77°69°36%
- Fri77°70°53%
- Sat74°68°29%
- Sun74°64°18%
- Mon71°63°27%
- Tue75°60°27%
- Wed78°62°30%
- Thu79°69°32%
- Fri85°70°30%
- Sat77°71°26%
- Sun75°69°40%
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 — Grand River
SPC has placed Grand River 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 Grand River
- 44045
- 44077