Lincoln, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lincoln, a borough in Allegheny County, Pennsylvania.
Tonight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 8pm and 2am, then showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 1 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lincoln
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms | 1 to 7 mph SE | 81% |
| Sunday | 78°F | Showers And Thunderstorms | 7 to 10 mph SW | 98% |
| Sunday Night | 56°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 9 mph N | 55% |
| Monday | 70°F | Chance Rain Showers | 12 mph NE | 42% |
| Monday Night | 56°F | Showers And Thunderstorms Likely | 12 mph NE | 65% |
| Tuesday | 67°F | Rain Showers Likely | 10 to 15 mph E | 69% |
| Tuesday Night | 53°F | Showers And Thunderstorms | 16 mph E | 75% |
| Wednesday | 63°F | Rain Showers Likely | 16 mph E | 71% |
| Wednesday Night | 52°F | Chance Rain Showers | 10 to 15 mph E | 52% |
| Thursday | 65°F | Chance Rain Showers | 12 mph E | 52% |
| Thursday Night | 50°F | Slight Chance Rain Showers | 5 to 10 mph NE | 17% |
| Friday | 69°F | Slight Chance Rain Showers | 5 to 10 mph NE | 15% |
| Friday Night | 50°F | Partly Cloudy | 5 to 9 mph N | 12% |
| Saturday | 70°F | Mostly Sunny | 6 to 10 mph N | 10% |
Forecast source: National Weather Service (api.weather.gov) for Lincoln (40.291, -79.860). Updated through the day.
Growing snapshot for Lincoln
Last spring frost
May 2
First fall frost
Oct 20
Growing season
170 days
Hardiness zone
6b
More local growing data for Lincoln: nearby ZIP 15037 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Mckeesport, Pa (5.6 mi from Lincoln). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.