Union Dale, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Union Dale, a borough in Susquehanna County, Pennsylvania.
This Afternoon
80°F
Sunny
Sunny, with a high near 80. South wind around 5 mph.
7-day forecast for Union Dale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 5 mph S | 0% |
| Tonight | 58°F | Mostly Cloudy | 5 mph SE | 0% |
| Wednesday | 80°F | Mostly Sunny | 2 to 7 mph S | 8% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 2 to 6 mph S | 26% |
| Thursday | 83°F | Showers And Thunderstorms Likely | 2 to 7 mph SW | 73% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 5 mph SW | 73% |
| Friday | 82°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 70% |
| Friday Night | 64°F | Showers And Thunderstorms Likely | 3 mph SW | 70% |
| Saturday | 81°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph SW | 58% |
| Saturday Night | 63°F | Showers And Thunderstorms Likely | 6 mph W | 58% |
| Sunday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph W | 19% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 24% |
| Monday | 82°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 10 mph W | 28% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 52% |
Forecast source: National Weather Service (api.weather.gov) for Union Dale (41.713, -75.483). Updated through the day.
Growing snapshot for Union Dale
Last spring frost
May 14
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
5b
More local growing data for Union Dale: nearby ZIP 18430 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Browndale
Forest City
Forest Lake
Friendsville
Great Bend
Hallstead
Harford
Hop Bottom
Lakeside
Lanesboro
Laurel Lake
Little Meadows
Meshoppen
Montrose
New Milford
Nicholson
Oakland
South Montrose
Springville
Susquehanna Depot
Thompson
Vandling
Climate data from the nearest NOAA station, Pleasant Mt 1 W, Pa (1.4 mi from Union Dale). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.