Mount Bethel, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Bethel, a community in Northampton County, Pennsylvania.
Overnight
46°F
Mostly Clear
Mostly clear, with a low around 46. Wind around 0 mph.
7-day forecast for Mount Bethel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 73°F | Sunny | 0 to 5 mph S | 1% |
| Wednesday Night | 55°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph S | 9% |
| Thursday | 70°F | Light Rain | 5 mph S | 78% |
| Thursday Night | 58°F | Light Rain | 0 to 5 mph SW | 79% |
| Friday | 70°F | Light Rain Likely | 0 mph | 55% |
| Friday Night | 47°F | Chance Light Rain | 0 mph | 44% |
| Saturday | 64°F | Mostly Sunny then Slight Chance Light Rain | 0 to 5 mph W | 24% |
| Saturday Night | 40°F | Slight Chance Light Rain | 5 mph W | 24% |
| Sunday | 58°F | Mostly Sunny | 5 mph NW | 8% |
| Sunday Night | 36°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Monday | 58°F | Sunny | 5 to 10 mph W | 7% |
| Monday Night | 34°F | Mostly Clear | 0 to 5 mph W | 5% |
| Tuesday | 62°F | Sunny | 5 to 10 mph SW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Mount Bethel (40.900, -75.113). Updated through the day.
Growing snapshot for Mount Bethel
Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
168 days
Hardiness zone
6b
More local growing data for Mount Bethel: nearby ZIP 18343 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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Glendon
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Martins Creek
Middletown
Morgan Hill
Nazareth
Northampton
Old Orchard
Palmer Heights
Pen Argyl
Portland
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Roseto
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Tatamy
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West Easton
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Wind Gap
Climate data from the nearest NOAA station, Belvidere Brg, Nj (4.4 mi from Mount Bethel). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.