Eau Claire, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Eau Claire, a borough in Butler County, Pennsylvania.
Today
83°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 83. Southeast wind around 2 mph.
7-day forecast for Eau Claire
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Patchy Fog then Sunny | 2 mph SE | 0% |
| Tonight | 62°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 85°F | Partly Sunny then Scattered Showers And Thunderstorms | 5 mph SE | 36% |
| Wednesday Night | 66°F | Scattered Showers And Thunderstorms | 2 mph SE | 50% |
| Thursday | 84°F | Showers And Thunderstorms Likely | 6 mph S | 66% |
| Thursday Night | 66°F | Showers And Thunderstorms Likely | 5 mph SW | 66% |
| Friday | 82°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 86% |
| Friday Night | 64°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 86% |
| Saturday | 83°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 7 mph SW | 42% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 5 mph SW | 42% |
| Sunday | 85°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 23% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 7 mph SW | 29% |
| Monday | 85°F | Chance Rain Showers | 9 mph SW | 45% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 51% |
Forecast source: National Weather Service (api.weather.gov) for Eau Claire (41.137, -79.799). Updated through the day.
Growing snapshot for Eau Claire
Last spring frost
May 7
First fall frost
Oct 14
Growing season
158 days
Hardiness zone
6a
More local growing data for Eau Claire: nearby ZIP 16030 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Barkeyville
Boyers
Bruin
Butler
Callery
Cherry Valley
Chicora
Connoquenessing
East Butler
Evans City
Fairview
Fenelton
Forestville
Harlansburg
Harmony
Harrisville
Homeacre-Lyndora
Karns City
Lake Arthur Estates
Mars
Meadowood
Meridian
Nixon
North Washington
Oak Hills
Petrolia
Portersville
Prospect
Renfrew
Saxonburg
Climate data from the nearest NOAA station, Slippery Rock 1 Ssw, Pa (14.7 mi from Eau Claire). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.