Montandon, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Montandon, a community in Northumberland County, Pennsylvania.
Today
84°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 84. East wind around 1 mph.
7-day forecast for Montandon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Sunny | 1 mph E | 0% |
| Tonight | 63°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 83°F | Patchy Fog then Partly Sunny | 0 to 3 mph E | 14% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 0 to 3 mph E | 53% |
| Thursday | 87°F | Showers And Thunderstorms | 0 to 6 mph W | 81% |
| Thursday Night | 69°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 3 mph W | 81% |
| Friday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 73% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph SW | 73% |
| Saturday | 85°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 45% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 45% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 11% |
| Sunday Night | 69°F | Partly Cloudy | 0 to 3 mph SW | 11% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 8 mph W | 24% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 1 to 7 mph W | 24% |
Forecast source: National Weather Service (api.weather.gov) for Montandon (40.965, -76.853). Updated through the day.
Growing snapshot for Montandon
Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
176 days
Hardiness zone
6b
More local growing data for Montandon: nearby ZIP 17850 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Allenwood
Atlas
Dalmatia
Dewart
Edgewood
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Klingerstown
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Lewisburg
Linntown
Locust Gap
Marion Heights
Marshallton
McEwensville
Mount Carmel
Northumberland
Ranshaw
Riverside
Shamokin
Snydertown
Strong
Sunbury
Tharptown (Uniontown)
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Climate data from the nearest NOAA station, Lewisburg, Pa (1.7 mi from Montandon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.