Boswell, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boswell, a borough in Somerset County, Pennsylvania.
Tonight
48°F
Mostly Clear
Mostly clear, with a low around 48. South wind around 5 mph.
7-day forecast for Boswell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Clear | 5 mph S | 2% |
| Wednesday | 73°F | Partly Sunny | 3 to 10 mph S | 2% |
| Wednesday Night | 58°F | Rain Showers | 5 to 9 mph S | 99% |
| Thursday | 68°F | Rain Showers Likely | 5 to 10 mph SW | 68% |
| Thursday Night | 49°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SW | 19% |
| Friday | 63°F | Slight Chance Rain Showers | 0 to 5 mph W | 24% |
| Friday Night | 41°F | Chance Rain Showers | 2 mph NW | 33% |
| Saturday | 52°F | Chance Rain Showers | 3 to 13 mph W | 37% |
| Saturday Night | 34°F | Chance Rain Showers | 3 to 8 mph W | 37% |
| Sunday | 52°F | Slight Chance Rain Showers | 3 to 12 mph W | 24% |
| Sunday Night | 33°F | Chance Rain Showers | 10 mph W | 25% |
| Monday | 51°F | Chance Rain Showers | 10 to 16 mph W | 35% |
| Monday Night | 34°F | Chance Rain Showers | 8 to 13 mph W | 35% |
| Tuesday | 56°F | Slight Chance Rain Showers | 13 to 18 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Boswell (40.161, -79.027). Updated through the day.
Growing snapshot for Boswell
Last spring frost
May 6
First fall frost
Oct 12
Growing season
159 days
Hardiness zone
6a
More local growing data for Boswell: nearby ZIP 15546 weather · frost dates · planting calendar · Pennsylvania frost dates
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Hooversville
Indian Lake
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Somerset
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Climate data from the nearest NOAA station, Laurel Summit, Pa (5.4 mi from Boswell). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.