Saxonburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Saxonburg, a borough in Butler County, Pennsylvania.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. South wind 2 to 6 mph.
7-day forecast for Saxonburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 2 to 6 mph S | 1% |
| Tonight | 51°F | Mostly Clear | 2 to 6 mph SE | 2% |
| Wednesday | 76°F | Partly Sunny | 5 to 9 mph SE | 8% |
| Wednesday Night | 59°F | Light Rain | 10 mph S | 100% |
| Thursday | 69°F | Chance Light Rain | 7 to 13 mph SW | 41% |
| Thursday Night | 46°F | Partly Cloudy | 1 to 6 mph SW | 3% |
| Friday | 64°F | Partly Sunny | 1 to 7 mph W | 12% |
| Friday Night | 43°F | Chance Light Rain | 3 to 7 mph NW | 30% |
| Saturday | 55°F | Chance Light Rain | 7 to 12 mph W | 30% |
| Saturday Night | 35°F | Chance Light Rain then Mostly Cloudy | 5 to 8 mph W | 28% |
| Sunday | 54°F | Partly Sunny then Slight Chance Light Rain | 5 to 12 mph W | 18% |
| Sunday Night | 34°F | Slight Chance Light Rain | 10 mph W | 21% |
| Monday | 55°F | Chance Light Rain | 10 to 16 mph W | 32% |
| Monday Night | 35°F | Chance Light Rain then Partly Cloudy | 8 to 13 mph SW | 32% |
Forecast source: National Weather Service (api.weather.gov) for Saxonburg (40.751, -79.815). Updated through the day.
Growing snapshot for Saxonburg
Last spring frost
May 7
First fall frost
Oct 14
Growing season
159 days
Hardiness zone
6b
More local growing data for Saxonburg: nearby ZIP 16056 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Butler 2 Sw, Pa (8.7 mi from Saxonburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.