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Bethlehem, NH Weather Forecast


Bethlehem, NH Weather Forecast Dated: 523 AM Sun Sep 20 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and a stable pattern will dominate.
Sunday, September 20, 2026
Mid-Morning
53°F 11°C
Overcast
Mid-Afternoon
46°F 8°C
Light Rain
Early-Evening
46°F 8°C
Light Rain
Brisk around 46°F 8°C, drier morning followed by showers lasting through evening, with increasing humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
47°F 9°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
48°F 9°C
Sunny
Cool and brisk at 55°F 13°C, scattered downpours possible, with lower humidity and steady pressure. Winds turning from the N to the ENE at 3 mph 5 km/h.
Tuesday, September 22, 2026
Mid-Morning
45°F 7°C
Overcast
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
49°F 10°C
Cloudy
Chilly near 55°F 13°C, overcast throughout the day, with increasing humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
51°F 10°C
Overcast
Cool with a high near 61°F 16°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
48°F 9°C
Light Rain
Early-Evening
43°F 6°C
Drizzle
Brisk around 48°F 9°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
45°F 7°C
Light Showers
Mid-Afternoon
46°F 8°C
Light Showers
Early-Evening
46°F 8°C
Fog
Cool and brisk at 46°F 8°C, showers through the afternoon, tapering off by evening, with steady humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
45°F 7°C
Fog
Mid-Afternoon
46°F 8°C
Fog
Early-Evening
46°F 8°C
Fog
Chilly near 46°F 8°C, overcast throughout the day, with steady humidity and steady pressure.
Sunday, September 27, 2026
Mid-Morning
46°F 8°C
Light Fog
Mid-Afternoon
50°F 10°C
Overcast
Early-Evening
51°F 11°C
Light Fog
Crisp with a high near 50°F 10°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
51°F 11°C
Cloudy
Mid-Afternoon
60°F 16°C
Overcast
Early-Evening
55°F 13°C
Cloudy
Refreshing around 60°F 16°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Tuesday, September 29, 2026
Mid-Morning
54°F 12°C
Partly Cloudy
Mid-Afternoon
61°F 16°C
Partly Cloudy
Early-Evening
57°F 14°C
Overcast
Mildly cool near 61°F 16°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
48°F 9°C
Scattered Showers
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
53°F 12°C
Partly Cloudy
Chilly near 56°F 13°C, scattered downpours possible, with lower humidity and steady pressure.
Thursday, October 1, 2026
Mid-Morning
56°F 14°C
Overcast
Mid-Afternoon
67°F 19°C
Light Showers
Early-Evening
62°F 17°C
Light Showers
Cool with a high near 67°F 19°C, dry early, with showers continuing through afternoon and evening, with steady humidity and steady pressure. Winds switching from the SSE to the S at 6 mph 10 km/h.
Friday, October 2, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
53°F 12°C
Sunny
Refreshing around 62°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds W at 8 mph 13 km/h.
Saturday, October 3, 2026
Mid-Morning
47°F 8°C
Scattered Showers
Mid-Afternoon
50°F 10°C
Scattered Showers
Early-Evening
44°F 7°C
Sunny
Cool and brisk at 50°F 10°C, scattered downpours possible, with steady humidity and steady pressure.
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