Connoquenessing, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Connoquenessing, a borough in Butler County, Pennsylvania.
Tonight
63°F
Rain Showers
Rain showers before 2am, then showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Connoquenessing
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Rain Showers | 5 mph SE | 79% |
| Sunday | 76°F | Showers And Thunderstorms | 5 to 8 mph SW | 98% |
| Sunday Night | 53°F | Chance Showers And Thunderstorms | 9 mph N | 30% |
| Monday | 69°F | Chance Rain Showers | 10 mph NE | 28% |
| Monday Night | 52°F | Chance Rain Showers | 8 to 13 mph E | 52% |
| Tuesday | 64°F | Rain Showers Likely | 14 mph E | 55% |
| Tuesday Night | 51°F | Rain Showers Likely | 15 mph E | 70% |
| Wednesday | 62°F | Rain Showers Likely | 15 mph E | 70% |
| Wednesday Night | 50°F | Chance Rain Showers | 14 mph E | 52% |
| Thursday | 64°F | Chance Rain Showers | 8 to 12 mph E | 52% |
| Thursday Night | 48°F | Slight Chance Rain Showers | 5 to 8 mph E | 15% |
| Friday | 69°F | Partly Sunny | 7 mph NE | 13% |
| Friday Night | 48°F | Partly Cloudy | 7 mph NE | 11% |
| Saturday | 71°F | Mostly Sunny | 8 mph N | 8% |
Forecast source: National Weather Service (api.weather.gov) for Connoquenessing (40.817, -80.015). Updated through the day.
Growing snapshot for Connoquenessing
Last spring frost
May 7
First fall frost
Oct 14
Growing season
159 days
Hardiness zone
6b
More local growing data for Connoquenessing: nearby ZIP 16027 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Butler 2 Sw, Pa (5.4 mi from Connoquenessing). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.