Calcutta, Ohio Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Calcutta weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle41%0.04″94°70°—
- SundayJul 5Heavy Rain63%2.1″85°71°-9°
- MondayJul 6T-storm w/ Hail67%0.22″82°65°-3°
- TuesdayJul 7Foggy27%—85°64°+3°
- WednesdayJul 8Overcast——87°60°+2°
- ThursdayJul 9Overcast49%—88°64°+1°
- FridayJul 10Thunderstorm49%—82°66°-6°
AQI 42 (Good), driven by Ozone. Ozone at AQI 49. Overcast through the UV peak window (cloud cover ~63%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 49. Overcast through the UV peak window (cloud cover ~63%) — afternoon ozone should stay flat.
- Present
- AQI 49
- UV peak
- 5.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.97 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:17 PM
- Moonset
- 10:25 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Calcutta at a glance
- Today vs. normal: 9°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 — Calcutta
- Sat94°70°41%
- Sun85°71°63%
- Mon82°65°67%
- Tue85°64°27%
- Wed87°60°9%
- Thu88°64°49%
- Fri82°66°49%
- Sat87°64°33%
- Sun80°62°25%
- Mon72°56°13%
- Tue79°57°14%
- Wed88°64°23%
- Thu91°66°22%
- Fri89°68°26%
- Sat84°68°32%
- Sun86°64°25%
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 — Calcutta
SPC has placed Calcutta in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Calcutta
- 43920