Calcutta, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calcutta, a community in Beaver County, Ohio.
This Afternoon
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 70 in the afternoon. South wind 3 to 9 mph.
7-day forecast for Calcutta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 3 to 9 mph S | 1% |
| Tonight | 56°F | Mostly Clear | 2 to 6 mph S | 3% |
| Wednesday | 74°F | Mostly Cloudy then Chance Light Rain | 6 to 9 mph S | 39% |
| Wednesday Night | 59°F | Light Rain | 7 to 12 mph S | 100% |
| Thursday | 68°F | Mostly Sunny | 6 to 10 mph SW | 12% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Friday | 63°F | Partly Sunny | 0 to 5 mph W | 12% |
| Friday Night | 44°F | Chance Light Rain | 5 mph NW | 25% |
| Saturday | 53°F | Chance Light Rain | 5 to 9 mph W | 29% |
| Saturday Night | 38°F | Chance Light Rain then Mostly Cloudy | 2 to 6 mph W | 29% |
| Sunday | 54°F | Partly Sunny then Slight Chance Light Rain | 2 to 8 mph W | 15% |
| Sunday Night | 36°F | Slight Chance Light Rain | 7 mph W | 15% |
| Monday | 56°F | Chance Light Rain | 7 to 10 mph W | 27% |
| Monday Night | 38°F | Chance Light Rain then Partly Cloudy | 9 mph SW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Calcutta (40.689, -80.550). Updated through the day.
Growing snapshot for Calcutta
Last spring frost
Apr 28
First fall frost
Oct 26
Growing season
178 days
Hardiness zone
6b
More local growing data for Calcutta: nearby ZIP 15059 weather · frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Montgomery L&D, Pa (6.7 mi from Calcutta). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.