New Haven, Ohio Weather
Fireflies pulse through the magnolias. Day 78 of spring. Read this microseason across nine climate regions →
New Haven weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——87°59°—
- SaturdayJun 6Overcast34%—89°67°+2°
- SundayJun 7Drizzle55%—80°68°-9°
- MondayJun 8Drizzle33%0.01″79°66°-1°
- TuesdayJun 9Light Showers50%0.15″73°68°-6°
- WednesdayJun 10Drizzle45%0.02″80°70°+7°
- ThursdayJun 11Thunderstorm27%—86°70°+6°
AQI 51 (Moderate), driven by Ozone. AQI down 37 over the last 6 hours — air quality is improving sharply. Ozone at AQI 33. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.
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 33. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 5.7 µg/m³ (AQI 32) with a 0.88 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- Wind
- calm
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:37 AM
- Moonset
- 2:47 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
New Haven at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — New Haven
SPC has placed New Haven in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3MRGLMarginal Risk
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.