Oswayo, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oswayo, a borough in Allegany County, Pennsylvania.
Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. South wind 2 to 7 mph.
7-day forecast for Oswayo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy | 2 to 7 mph S | 0% |
| Wednesday | 70°F | Mostly Sunny | 2 to 9 mph S | 0% |
| Wednesday Night | 57°F | Mostly Cloudy then Rain Showers | 12 mph S | 98% |
| Thursday | 67°F | Rain Showers Likely | 8 to 12 mph SW | 59% |
| Thursday Night | 46°F | Mostly Cloudy | 1 to 6 mph SW | 8% |
| Friday | 61°F | Partly Sunny then Slight Chance Rain Showers | 3 mph W | 17% |
| Friday Night | 42°F | Chance Rain Showers | 3 mph NW | 28% |
| Saturday | 51°F | Chance Rain Showers | 5 to 8 mph NW | 37% |
| Saturday Night | 35°F | Chance Rain Showers | 7 mph W | 37% |
| Sunday | 51°F | Partly Sunny | 8 mph W | 13% |
| Sunday Night | 32°F | Chance Rain Showers | 8 mph W | 25% |
| Monday | 51°F | Chance Rain Showers | 9 to 13 mph W | 35% |
| Monday Night | 34°F | Chance Rain Showers | 7 to 10 mph W | 35% |
| Tuesday | 54°F | Partly Sunny then Slight Chance Rain Showers | 10 to 14 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Oswayo (41.921, -78.021). Updated through the day.
Growing snapshot for Oswayo
Last spring frost
May 20
First fall frost
Sep 29
Growing season
130 days
Hardiness zone
5b
More local growing data for Oswayo: nearby ZIP 14708 weather · frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Oswayo 1 Ene, Pa (7.2 mi from Oswayo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.