Observed 8:15 PM EDT at KEEN

Winchester, NH weather

Clear and 39°4°, freeze watch tonight, low 24°−4°.

Mostly agree

Now 39°4°

Clear

Wind: Calm; Light through 8 AM
Dew point: 34°1°; Dry · down to 25°−4° by 5 AM
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 24Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.53 inHg1034 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 (36°2° then, 39°4° now)

Good hours for

Hard freeze tonight midnight–9 AM (low 24°−4°)
Above 40°4° tomorrow by 10 AM
High 63°17° tomorrow at 3 PM
Below 50°10° tomorrow night after 8 PM
Below freezing Monday 4–9 AM (low 31°−1°)

TonightDown to 25°−4° by 5 AM · freezing, low 25°−4° · Clear
Tomorrow morningUp to 49°9° by 11 AM · freezing, low 24°−4° · Clear
Tomorrow afternoonUp to 63°17° by 3 PM · Clear
Tomorrow nightDown to 31°−1° by 5 AM · freezing, low 31°−1° · Clear
Monday morningUp to 49°9° by 11 AM · freezing, low 31°−1° · Partly cloudy
Monday afternoonUp to 67°19° 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	42°6° (likely 41°5° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 3 mph4 km/h	73%	0%	0
Sat 9p	Clear	39°4° (likely 39°4° to 46°8°)	39°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	79%	0%	0
Sat 10p	Clear	37°3° (likely 37°3° to 43°6°)	37°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	85%	0%	0
Sat 11p	Clear	34°1° (likely 34°1° to 41°5°)	34°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	0%	0
Sun 12a	Clear	32°0° (likely 32°0° to 40°4°)	32°0°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	0%	0
Sun 1a	Clear	31°−1° (likely 31°−1° to 39°4°)	31°−1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0
Sun 2a	Clear	29°−2° (likely 29°−2° to 38°3°)	29°−2°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	0%	0
Sun 3a	Clear	27°−3° (likely 27°−3° to 38°3°)	27°−3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 4a	Clear	26°−3° (likely 26°−3° to 38°3°)	26°−3°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	0%	0
Sun 5a	Clear	25°−4° (likely 25°−4° to 38°3°)	25°−4°	0%	0 mph0 km/h, gusts 3 mph6 km/h	100%	0%	0
Sun 6a	Clear	24°−4° (likely 24°−4° to 37°3°)	24°−4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	1%	0
Sun 7a	Sunny	24°−4° (likely 24°−4° to 37°3°)	24°−4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	1%	0
Sun 8a	Sunny	25°−4° (likely 25°−4° to 36°2°)	25°−4°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	2%	0
Sun 9a	Sunny	33°1° (likely 33°1° to 42°6°)	33°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	1%	1
Sun 10a	Sunny	42°6° (likely 42°6° to 50°10°)	42°6°	0%	0 mph0 km/h, gusts 3 mph4 km/h	73%	1%	2
Sun 11a	Sunny	49°9° (likely 49°9° to 56°13°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	58%	0%	3
Sun 12p	Sunny	55°13° (likely 55°13° to 61°16°)	55°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	47%	0%	4
Sun 1p	Sunny	61°16° (likely 59°15° to 63°17°)	61°16°	0%	0 mph0 km/h, gusts 5 mph9 km/h	36%	0%	4
Sun 2p	Sunny	62°17° (likely 61°16° to 65°18°)	62°17°	0%	0 mph0 km/h, gusts 7 mph12 km/h	35%	0%	4
Sun 3p	Sunny	63°17° (likely 62°17° to 65°18°)	63°17°	0%	0 mph0 km/h, gusts 9 mph14 km/h	34%	0%	3
Sun 4p	Sunny	62°17° (likely 60°16° to 65°18°)	62°17°	0%	0 mph0 km/h, gusts 9 mph15 km/h	36%	0%	2
Sun 5p	Sunny	61°16° (likely 56°13° to 62°17°)	61°16°	0%	0 mph0 km/h, gusts 10 mph15 km/h	42%	0%	1
Sun 6p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	53%	0%	0
Sun 7p	Clear	50°10° (likely 47°8° to 52°11°)	50°10°	0%	0 mph0 km/h, gusts 6 mph9 km/h	66%	0%	0
Sun 8p	Clear	44°7° (likely 44°7° to 49°9°)	44°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	82%	0%	0
Sun 9p	Clear	42°6° (likely 41°5° to 48°9°)	42°6°	0%	0 mph0 km/h, gusts 5 mph8 km/h	86%	0%	0
Sun 10p	Clear	40°4° (likely 39°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	89%	2%	0
Sun 11p	Clear	38°3° (likely 37°3° to 46°8°)	38°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	89%	29%	0
Mon 12a	Clear	36°2° (likely 36°2° to 45°7°)	36°2°	0%	0 mph0 km/h, gusts 5 mph7 km/h	96%	39%	0
Mon 1a	Clear	35°2° (likely 35°2° to 44°7°)	35°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	43%	0
Mon 2a	Mostly clear	34°1° (likely 34°1° to 44°7°)	34°1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	96%	25%	0
Mon 3a	Partly cloudy	33°1° (likely 33°1° to 42°6°)	33°1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	96%	13%	0
Mon 4a	Partly cloudy	32°0° (likely 32°0° to 40°4°)	32°0°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	51%	0
Mon 5a	Mostly clear	31°−1° (likely 31°−1° to 40°4°)	31°−1°	0%	0 mph0 km/h, gusts 3 mph6 km/h	96%	24%	0
Mon 6a	Partly cloudy	31°−1° (likely 31°−1° to 40°4°)	31°−1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	73%	0
Mon 7a	Partly sunny	31°−1° (likely 31°−1° to 39°4°)	31°−1°	0%	0 mph0 km/h, gusts 3 mph4 km/h	96%	52%	0
Mon 8a	Sunny	31°−1° (likely 31°−1° to 40°4°)	31°−1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	31%	0
Mon 9a	Sunny	37°3° (likely 36°2° to 46°8°)	37°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	29%	1
Mon 10a	Partly sunny	43°6° (likely 43°6° to 53°12°)	43°6°	0%	0 mph0 km/h, gusts 5 mph9 km/h	82%	40%	2
Mon 11a	Mostly sunny	49°9° (likely 49°9° to 58°14°)	49°9°	0%	0 mph0 km/h, gusts 6 mph10 km/h	74%	70%	3
Mon 12p	Mostly sunny	56°13° (likely 55°13° to 63°17°)	56°13°	0%	0 mph0 km/h, gusts 13 mph20 km/h	62%	59%	4
Mon 1p	Mostly sunny	63°17° (likely 57°14° to 66°19°)	63°17°	0%	0 mph0 km/h, gusts 13 mph20 km/h	50%	63%	4
Mon 2p	Cloudy	65°18° (likely 59°15° to 67°19°)	65°18°	0%	5 mph8 km/h from W, gusts 13 mph21 km/h	48%	76%	4
Mon 3p	Partly sunny	67°19° (likely 60°16° to 67°19°)	67°19°	0%	5 mph8 km/h from W, gusts 13 mph22 km/h	47%	56%	3
Mon 4p	Mostly sunny	67°19° (likely 61°16° to 67°19°)	67°19°	0%	5 mph8 km/h from W, gusts 14 mph22 km/h	50%	42%	2
Mon 5p	Mostly sunny	65°18° (likely 59°15° to 65°18°)	65°18°	0%	5 mph8 km/h from W, gusts 11 mph17 km/h	56%	53%	1
Mon 6p	Mostly clear	61°16° (likely 54°12° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 7 mph11 km/h	67%	42%	0
Mon 7p	Mostly clear	57°14° (likely 52°11° to 60°16°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	77%	46%	0

Days ahead

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

Today, Oct 24. Partly sunny. High 60°16°, low 23°−5°. Typical 56°13° / 33°1°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 42°6°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 25°−4°
  Dry
Official NWS forecast
Tonight: Clear, with a low around 23. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–62°17°
Low, likely
23°−5°–30°−1°
Typical high / low
56°13° / 33°1°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
4
Tomorrow, Oct 25. Mostly sunny. High 64°18°, low 30°−1°. Typical 56°13° / 33°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 25°−4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 31°−1°
  Dry
Official NWS forecast
Day: Sunny, with a high near 64. Southwest wind around 0 mph.
Night: Mostly clear, with a low around 30. West wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–65°18°
Low, likely
30°−1°–36°2°
Typical high / low
56°13° / 33°1°
Wind
6 mph9 km/h, gusts 14 mph23 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 67°19°, low 32°0°. Typical 55°13° / 32°0°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Day: Sunny, with a high near 67. Northwest wind 0 to 5 mph.
Night: Partly cloudy, with a low around 32. Northwest wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–67°19°
Low, likely
31°−1°–38°3°
Typical high / low
55°13° / 32°0°
Wind
10 mph15 km/h, gusts 22 mph35 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 55°13°, low 23°−5°. Typical 55°13° / 32°0°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 51°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 29°−2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 55.
Night: Mostly clear, with a low around 23.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
50°10°–55°13°
Low, likely
23°−5°–34°1°
Typical high / low
55°13° / 32°0°
Wind
10 mph16 km/h, gusts 24 mph38 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 57°14°, low 33°1°. Typical 54°12° / 32°0°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 29°−2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 42°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 57.
Night: Partly cloudy, with a low around 33.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–57°14°
Low, likely
26°−3°–33°1°
Typical high / low
54°12° / 32°0°
Wind
6 mph10 km/h, gusts 17 mph27 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 65°18°, low 43°6°. Typical 54°12° / 32°0°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 65.
Night: Mostly clear, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
35°2°–43°6°
Typical high / low
54°12° / 32°0°
Wind
11 mph17 km/h, gusts 32 mph52 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 67°19°, low 39°4°. Typical 54°12° / 31°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 42°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Night: Partly cloudy, with a low around 39.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–71°22°
Low, likely
39°4°–46°8°
Typical high / low
54°12° / 31°−1°
Wind
10 mph17 km/h, gusts 20 mph32 km/h
UV peak
3
Saturday, Oct 31. Partly sunny. High 64°18°, low 39°4°. Typical 53°12° / 31°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–65°18°
Low, likely
38°3°–42°6°
Typical high / low
53°12° / 31°−1°
Wind
5 mph8 km/h, gusts 13 mph21 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 64°18°, low 44°7°. Typical 53°12° / 31°−1°. Rain 0.01 in0.3 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 58°14°
  30% chance
4. Overnight
  midnight–6 AM
  Showers, 57°14°
  40% chance · 0.09 in2.2 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
61°16°–66°19°
Low, likely
37°3°–50°10°
Typical high / low
53°12° / 31°−1°
Wind
10 mph16 km/h, gusts 27 mph44 km/h
UV peak
2
Monday, Nov 2. Showers. High 64°18°, low 54°12°. Typical 52°11° / 30°−1°. Rain 0.26 in6.6 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 58°14°
  40% chance · 0.06 in1.4 mm
2. Afternoon
  noon–6 PM
  Showers, 64°18°
  40% chance · 0.09 in2.3 mm
3. Evening
  6 PM–midnight
  Showers, 58°15°
  30% chance · 0.06 in1.4 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°–67°19°
Low, likely
47°8°–62°17°
Typical high / low
52°11° / 30°−1°
Wind
14 mph22 km/h, gusts 36 mph58 km/h

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 23°.
Tomorrow
Dry, high 64°, low 30°, warming up.
Monday
Dry, high 67°, low 32°, warming up.
Rest of week
Mostly dry, highs 55–67°.

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

Connecticut River at Montague

17 mi

Below flood stage

Level: 8.1 ft
Flow: 4,780 cfs

Forecast peak 7.7 ft Sat 8 PM

Reading from Sat 6:30 PM · NWS gauge page

Ashuelot River at Hinsdale

5.2 mi

Below flood stage

Level: 3.7 ft
Flow: 319 cfs

Reading from Sat 6:45 PM · NWS gauge page

Ashuelot River above West Swanzey

7.0 mi

Below flood stage

Level: 5.9 ft
Flow: 213 cfs

Reading from Sat 6:45 PM · NWS gauge page

Connecticut River near Northfield

8.0 mi

Level: 12.6 ft

Reading from Sat 7:05 PM · NWS gauge page

For your home

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

Pipes: watch the cold

Tonight’s low: 24°−4°

Overnight low near 24°F — not yet at drip-the-faucets cold, but worth watching if it's forecast to drop further.

Heating this week

About 72% less heating than a typical week.

This week 43Typical 151

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 29
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 19 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 34°F).

Open the windows?

Sun, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

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

Oct 24, today vs a typical year

Today’s expected high is 4°2° warmer than typical.

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

−6°−4°MonOct 19
±0°TueOct 20
+2°+1°WedOct 21
±0°ThuOct 22
+2°+1°FriOct 23
−5°−3°SatOct 24
—SunOct 25

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

Sun & moon

Sun

Daylight: 10 h 39 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 38 min less
Golden hour: 5:13–6:10 PM; Morning 6:55–7:53 AM
Blue hour: 6:10–6:21 PM; Morning 6:44–6:55 AM; first light 6:44 AM

Stars tonight? Fair

Clear 8:45 PM–6:46 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:22 AM · rises 4:50 PM
Full moon: Oct 26
New moon: Nov 9

Looking east from Winchester. The highest point on the skyline is about 3,000 ft, 15 mi away.Skyline from USGS elevation data, heights drawn up to 4.5× taller. Sky, sun and moon as they are now.

Winchester, NH weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Connecticut River at Montague

Ashuelot River at Hinsdale

Ashuelot River above West Swanzey

Connecticut River near Northfield

For your home

Pipes: watch the cold

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