Willoughby, Ohio Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Willoughby weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast45%—86°71°—
- SundayJul 5Heavy Drizzle24%0.04″82°72°-4°
- MondayJul 6Thunderstorm37%0.17″78°69°-4°
- TuesdayJul 7Drizzle17%—72°67°-6°
- WednesdayJul 8Overcast——80°64°+8°
- ThursdayJul 9Light Drizzle42%0.01″78°67°-2°
- FridayJul 10Thunderstorm53%0.01″79°69°+1°
AQI 61 (Moderate), driven by Ozone. AQI up 15 in the last 6 hours — air quality is degrading. Ozone at AQI 129 now. With UV 7.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 134 around 1 PM.
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 129 now. With UV 7.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 134 around 1 PM.
- Present
- AQI 129
- UV peak
- 7.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 134
PM × Wind × Precip
PM2.5 at 10.9 µg/m³, PM10 at 11.5 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
- 10:28 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Willoughby at a glance
- Today vs. normal: 15°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: 44094
16-Day Forecast — Willoughby
- Sat86°71°45%
- Sun82°72°24%
- Mon78°69°37%
- Tue72°67°17%
- Wed80°64°3%
- Thu78°67°42%
- Fri79°69°53%
- Sat71°67°31%
- Sun74°61°18%
- Mon71°59°27%
- Tue75°55°27%
- Wed79°59°26%
- Thu81°66°26%
- Fri87°68°22%
- Sat78°70°29%
- Sun73°68°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 — Willoughby
SPC has placed Willoughby 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 Willoughby
- 44094
- 44096