Observed 7:55 PM EDT at KPSM

Durham, NH weather

Clear and 45°7°.

Mostly agree

Now 45°7°

Clear

Wind: Calm; Light through 8 AM
Dew point: 41°5°; Comfortable · down to 33°1° by 10 PM (dry)
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 24Good; Main pollutant: Ozone
Pressure: 30.49 inHg1033 hPa; Rising slowly · +0.02 inHg+0.7 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

3°2° warmer than this time yesterday (42°5° then, 45°7° now)

Good hours for

Below freezing tomorrow 4–9 AM (low 31°−1°)
Low 31°−1° tonight at 5 AM
Above 50°10° tomorrow by 11 AM
High 64°18° tomorrow at 2 PM
Below 50°10° tomorrow night after 8 PM

TonightDown to 31°−1° by 5 AM · freezing, low 31°−1° · Clear
Tomorrow morningUp to 54°12° by 11 AM · freezing, low 31°−1° · Clear
Tomorrow afternoonUp to 64°18° by 2 PM · Clear
Tomorrow nightDown to 38°3° by 4 AM · Clear
Monday morningUp to 59°15° by 11 AM · Partly cloudy
Monday afternoonUp to 68°20° by 3 PM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 8p	Clear	43°6° (likely 42°6° to 45°7°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	73%	0%	0
Sat 9p	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	76%	0%	0
Sat 10p	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 4 mph6 km/h	79%	0%	0
Sat 11p	Clear	38°3° (likely 38°3° to 41°5°)	38°3°	0%	0 mph0 km/h, gusts 4 mph7 km/h	79%	0%	0
Sun 12a	Clear	37°3° (likely 37°3° to 40°4°)	37°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	79%	0%	0
Sun 1a	Clear	36°2° (likely 36°2° to 39°4°)	36°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	79%	0%	0
Sun 2a	Clear	34°1° (likely 34°1° to 38°3°)	34°1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	85%	1%	0
Sun 3a	Clear	33°1° (likely 33°1° to 37°3°)	33°1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	0%	0
Sun 4a	Clear	32°0° (likely 32°0° to 36°2°)	32°0°	0%	0 mph0 km/h, gusts 4 mph6 km/h	92%	0%	0
Sun 5a	Clear	31°−1° (likely 31°−1° to 36°2°)	31°−1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	96%	0%	0
Sun 6a	Clear	31°−1° (likely 31°−1° to 36°2°)	31°−1°	0%	0 mph0 km/h, gusts 5 mph9 km/h	96%	0%	0
Sun 7a	Sunny	31°−1° (likely 31°−1° to 35°2°)	31°−1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	92%	0%	0
Sun 8a	Sunny	32°0° (likely 32°0° to 38°3°)	32°0°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	0%	0
Sun 9a	Sunny	41°5° (likely 40°4° to 43°6°)	41°5°	0%	0 mph0 km/h, gusts 4 mph7 km/h	73%	0%	1
Sun 10a	Sunny	48°9° (likely 48°9° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 5 mph7 km/h	60%	0%	2
Sun 11a	Sunny	54°12° (likely 54°12° to 58°14°)	54°12°	0%	0 mph0 km/h, gusts 6 mph9 km/h	50%	0%	3
Sun 12p	Sunny	58°14° (likely 58°14° to 61°16°)	58°14°	0%	0 mph0 km/h, gusts 7 mph12 km/h	44%	0%	4
Sun 1p	Sunny	62°17° (likely 61°16° to 64°18°)	62°17°	0%	0 mph0 km/h, gusts 9 mph14 km/h	38%	0%	4
Sun 2p	Sunny	64°18° (likely 63°17° to 66°19°)	64°18°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	35%	0%	4
Sun 3p	Sunny	64°18° (likely 63°17° to 67°19°)	64°18°	0%	5 mph8 km/h from SW, gusts 9 mph15 km/h	35%	0%	3
Sun 4p	Sunny	63°17° (likely 61°16° to 66°19°)	63°17°	0%	0 mph0 km/h, gusts 10 mph16 km/h	38%	0%	2
Sun 5p	Sunny	60°16° (likely 57°14° to 63°17°)	60°16°	0%	0 mph0 km/h, gusts 8 mph13 km/h	46%	0%	1
Sun 6p	Clear	56°13° (likely 52°11° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 10 mph16 km/h	51%	0%	0
Sun 7p	Clear	52°11° (likely 49°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 10 mph16 km/h	59%	0%	0
Sun 8p	Clear	47°8° (likely 47°8° to 49°9°)	47°8°	0%	0 mph0 km/h, gusts 9 mph15 km/h	68%	0%	0
Sun 9p	Clear	45°7° (likely 45°7° to 47°8°)	45°7°	0%	0 mph0 km/h, gusts 7 mph12 km/h	73%	0%	0
Sun 10p	Clear	43°6° (likely 43°6° to 45°7°)	43°6°	0%	0 mph0 km/h, gusts 8 mph12 km/h	76%	0%	0
Sun 11p	Clear	41°5° (likely 41°5° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 8 mph13 km/h	82%	29%	0
Mon 12a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 9 mph14 km/h	85%	40%	0
Mon 1a	Clear	40°4° (likely 40°4° to 43°6°)	38°3°	0%	5 mph8 km/h from W, gusts 9 mph14 km/h	82%	28%	0
Mon 2a	Mostly clear	39°4° (likely 39°4° to 44°7°)	37°3°	0%	5 mph8 km/h from W, gusts 9 mph14 km/h	85%	17%	0
Mon 3a	Clear	39°4° (likely 38°3° to 44°7°)	37°3°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	82%	5%	0
Mon 4a	Clear	38°3° (likely 38°3° to 44°7°)	36°2°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	85%	2%	0
Mon 5a	Mostly clear	38°3° (likely 38°3° to 44°7°)	36°2°	0%	5 mph8 km/h from W, gusts 8 mph14 km/h	82%	45%	0
Mon 6a	Mostly clear	39°4° (likely 37°3° to 44°7°)	37°3°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	76%	32%	0
Mon 7a	Sunny	39°4° (likely 37°3° to 44°7°)	36°2°	0%	5 mph8 km/h from W, gusts 8 mph14 km/h	76%	8%	0
Mon 8a	Sunny	40°4° (likely 38°3° to 45°7°)	37°3°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	76%	27%	0
Mon 9a	Mostly sunny	46°8° (likely 45°7° to 50°10°)	44°7°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	71%	48%	1
Mon 10a	Sunny	52°11° (likely 52°11° to 57°14°)	52°11°	0%	5 mph8 km/h from W, gusts 11 mph17 km/h	63%	23%	2
Mon 11a	Sunny	59°15° (likely 59°15° to 64°18°)	59°15°	0%	5 mph8 km/h from W, gusts 16 mph26 km/h	53%	24%	3
Mon 12p	Mostly sunny	62°17° (likely 61°16° to 65°18°)	62°17°	0%	5 mph8 km/h from W, gusts 17 mph27 km/h	52%	48%	4
Mon 1p	Mostly sunny	66°19° (likely 63°17° to 68°20°)	66°19°	0%	5 mph8 km/h from W, gusts 17 mph27 km/h	47%	27%	4
Mon 2p	Sunny	67°19° (likely 64°18° to 69°21°)	67°19°	0%	5 mph8 km/h from W, gusts 17 mph27 km/h	47%	43%	4
Mon 3p	Mostly sunny	68°20° (likely 63°17° to 68°20°)	68°20°	0%	5 mph8 km/h from W, gusts 16 mph26 km/h	47%	51%	3
Mon 4p	Mostly sunny	67°19° (likely 62°17° to 67°19°)	67°19°	0%	5 mph8 km/h from W, gusts 15 mph23 km/h	50%	47%	2
Mon 5p	Mostly sunny	65°18° (likely 61°16° to 65°18°)	65°18°	0%	5 mph8 km/h from W, gusts 14 mph22 km/h	54%	50%	1
Mon 6p	Mostly clear	62°17° (likely 59°15° to 62°17°)	62°17°	0%	5 mph8 km/h from W, gusts 13 mph20 km/h	60%	63%	0
Mon 7p	Mostly clear	58°14° (likely 54°12° to 58°14°)	58°14°	0%	5 mph8 km/h from NW, gusts 9 mph14 km/h	69%	56%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Sunny. High 60°16°, low 30°−1°. Typical 57°14° / 36°2°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 31°−1°
  Dry
Official NWS forecast
Tonight: Clear, with a low around 30. West wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–62°17°
Low, likely
22°−6°–31°−1°
Typical high / low
57°14° / 36°2°
Wind
6 mph9 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 65°18°, low 37°3°. Typical 57°14° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Day: Sunny, with a high near 65. West wind 0 to 5 mph.
Night: Mostly clear, with a low around 37. Southwest wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
34°1°–37°3°
Typical high / low
57°14° / 36°2°
Wind
6 mph9 km/h, gusts 14 mph23 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 68°20°, low 37°3°. Typical 56°13° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°5°
  Dry
Official NWS forecast
Day: Sunny, with a high near 68. West wind around 5 mph.
Night: Mostly clear, with a low around 37. Northwest wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–68°20°
Low, likely
37°3°–42°6°
Typical high / low
56°13° / 36°2°
Wind
10 mph15 km/h, gusts 22 mph36 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 54°12°, low 27°−3°. Typical 56°13° / 35°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 30°−1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 54.
Night: Clear, with a low around 27.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
51°11°–54°12°
Low, likely
27°−3°–37°3°
Typical high / low
56°13° / 35°2°
Wind
9 mph15 km/h, gusts 20 mph33 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 54°12°, low 33°1°. Typical 56°13° / 35°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 54.
Night: Mostly clear, with a low around 33.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
51°11°–54°12°
Low, likely
24°−4°–33°1°
Typical high / low
56°13° / 35°2°
Wind
6 mph9 km/h, gusts 16 mph25 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 64°18°, low 46°8°. Typical 55°13° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 64.
Night: Mostly clear, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
36°2°–46°8°
Typical high / low
55°13° / 35°2°
Wind
11 mph18 km/h, gusts 30 mph49 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 68°20°, low 41°5°. Typical 55°13° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 68.
Night: Partly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–73°23°
Low, likely
41°5°–49°9°
Typical high / low
55°13° / 35°2°
Wind
11 mph17 km/h, gusts 29 mph47 km/h
UV peak
3
Saturday, Oct 31. Partly sunny. High 63°17°, low 42°6°. Typical 54°12° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–64°18°
Low, likely
39°4°–45°7°
Typical high / low
54°12° / 34°1°
Wind
7 mph11 km/h, gusts 17 mph27 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 64°18°, low 45°7°. Typical 54°12° / 34°1°. Rain, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  30% chance · 0.03 in0.9 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–67°19°
Low, likely
40°4°–48°9°
Typical high / low
54°12° / 34°1°
Wind
10 mph16 km/h, gusts 30 mph48 km/h
UV peak
3
Monday, Nov 2. Showers. High 66°19°, low 55°13°. Typical 54°12° / 34°1°. Rain 0.23 in5.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 59°15°
  30% chance · 0.12 in3.1 mm
2. Afternoon
  noon–6 PM
  Showers, 66°19°
  30% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Showers, 60°16°
  30% chance · 0.04 in1.1 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–71°22°
Low, likely
50°10°–63°17°
Typical high / low
54°12° / 34°1°
Wind
13 mph21 km/h, gusts 35 mph56 km/h

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 30°.
Tomorrow
Dry, high 65°, low 37°, warming up.
Monday
Dry, high 68°, low 37°, warming up.
Rest of week
Mostly dry, highs 54–68°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (GYX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Atlantic Coast at Seavey Island (IN MLLW)

10 mi

Below flood stage

Level: 3.4 ft

Forecast peak 10.0 ft Tue 12 PM, action stage

Reading from Sat 7:06 PM · NWS gauge page

Atlantic Coast at Hampton (IN MLLW)

18 mi

Below flood stage

Level: 3.2 ft

Forecast peak 10.3 ft Tue 12 PM, action stage

Reading from Sat 6:58 PM · NWS gauge page

Oyster River near Durham

2.1 mi

Level: 0.7 ft
Flow: 1 cfs

Reading from Sat 6:30 PM · NWS gauge page

Lamprey River near Newmarket

3.1 mi

Below flood stage

Level: 1.4 ft
Flow: 72 cfs

Reading from Sat 6:15 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 75% less heating than a typical week.

This week 34Typical 135

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 27
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 14 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 41°F).

Open the windows?

Sun, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

DURHAM · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° warmer than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Durham weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 38 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 39 min less
Golden hour: 5:07–6:04 PM; Morning 6:50–7:48 AM
Blue hour: 6:04–6:15 PM; Morning 6:39–6:50 AM; first light 6:39 AM

Stars tonight? Fair

Clear 8:39 PM–6:40 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:17 AM · rises 4:43 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Durham. The highest point on the skyline is about 1,700 ft, 27 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Durham, NH weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Atlantic Coast at Seavey Island (IN MLLW)

Atlantic Coast at Hampton (IN MLLW)

Oyster River near Durham

Lamprey River near Newmarket

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon