Buena Vista, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buena Vista, a community in Allegheny County, Pennsylvania.
This Afternoon
80°F
Light Rain Likely
Rain likely. Mostly cloudy, with a high near 80. South wind 9 to 14 mph. Chance of precipitation is 70%.
7-day forecast for Buena Vista
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Light Rain Likely | 9 to 14 mph S | 73% |
| Tonight | 61°F | Light Rain | 8 to 14 mph S | 95% |
| Thursday | 70°F | Chance Light Rain then Partly Sunny | 8 to 15 mph SW | 34% |
| Thursday Night | 47°F | Partly Cloudy | 3 to 7 mph SW | 0% |
| Friday | 63°F | Slight Chance Light Rain | 5 to 10 mph W | 21% |
| Friday Night | 39°F | Chance Light Rain | 5 to 8 mph W | 28% |
| Saturday | 52°F | Chance Light Rain | 8 to 15 mph W | 26% |
| Saturday Night | 35°F | Chance Light Rain then Mostly Cloudy | 7 to 13 mph W | 26% |
| Sunday | 55°F | Partly Sunny | 8 to 15 mph W | 2% |
| Sunday Night | 33°F | Partly Cloudy | 8 to 13 mph W | 2% |
| Monday | 58°F | Mostly Sunny | 9 to 17 mph W | 2% |
| Monday Night | 35°F | Mostly Clear | 10 mph SW | 2% |
| Tuesday | 62°F | Sunny | 10 to 16 mph SW | 0% |
| Tuesday Night | 34°F | Mostly Clear | 2 to 9 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Buena Vista (40.278, -79.800). Updated through the day.
Growing snapshot for Buena Vista
Last spring frost
May 2
First fall frost
Oct 20
Growing season
170 days
Hardiness zone
6b
More local growing data for Buena Vista: nearby ZIP 15018 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Mckeesport, Pa (5.1 mi from Buena Vista). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.