Lake Arthur Estates, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Arthur Estates, a community in Butler County, Pennsylvania.
Today
74°F
Partly Sunny then Chance Light Rain
A chance of rain after 1pm. Partly sunny, with a high near 74. South wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lake Arthur Estates
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny then Chance Light Rain | 5 to 9 mph S | 41% |
| Tonight | 58°F | Light Rain | 7 to 10 mph S | 95% |
| Thursday | 67°F | Partly Sunny | 6 to 10 mph SW | 9% |
| Thursday Night | 44°F | Partly Cloudy | 5 mph SW | 0% |
| Friday | 60°F | Partly Sunny then Slight Chance Light Rain | 2 to 7 mph SW | 21% |
| Friday Night | 39°F | Chance Light Rain | 2 to 7 mph W | 48% |
| Saturday | 52°F | Chance Light Rain | 7 to 10 mph W | 41% |
| Saturday Night | 33°F | Chance Light Rain | 5 to 8 mph W | 35% |
| Sunday | 54°F | Partly Sunny | 5 to 10 mph W | 8% |
| Sunday Night | 31°F | Partly Cloudy | 7 mph W | 7% |
| Monday | 54°F | Slight Chance Light Rain | 5 to 9 mph W | 16% |
| Monday Night | 32°F | Slight Chance Light Rain then Mostly Clear | 6 mph SW | 16% |
| Tuesday | 59°F | Mostly Sunny | 7 to 12 mph SW | 4% |
| Tuesday Night | 31°F | Partly Cloudy | 2 to 6 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Lake Arthur Estates (40.962, -80.148). Updated through the day.
Growing snapshot for Lake Arthur Estates
Last spring frost
May 7
First fall frost
Oct 14
Growing season
158 days
Hardiness zone
6a
More local growing data for Lake Arthur Estates: nearby ZIP 16051 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Barkeyville
Boyers
Bruin
Butler
Callery
Cherry Valley
Chicora
Connoquenessing
East Butler
Eau Claire
Evans City
Fairview
Fenelton
Forestville
Harlansburg
Harmony
Harrisville
Homeacre-Lyndora
Karns City
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 (8.9 mi from Lake Arthur Estates). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.