Observed 9:50 PM EDT at KORE

South Deerfield, MA weather

Clear and 34°1°, freeze watch tonight, low 23°−5°.

Mostly agree

Now 34°1°

Clear

Wind: Calm; Light through 10 AM
Dew point: 30°−1°; Dry · down to 22°−6° by 7 AM
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 68Moderate; PM2.5 (fine particles) · tomorrow good
Pressure: 30.54 inHg1034 hPa; Rising slowly · +0.03 inHg+0.9 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

2°1° warmer than this time yesterday (34°1° then, 36°2° now)

Good hours for

Hard freeze tonight midnight–10 AM (low 23°−5°)
Above 40°4° tomorrow by 10 AM
Drops 12°7° tomorrow 5–8 PM (62°17° → 50°10°)
Below 50°10° tomorrow night after 8 PM
Below freezing tomorrow night 3–9 AM (low 29°−2°)

TonightDown to 26°−3° by 5 AM · freezing, low 26°−3° · Clear
Tomorrow morningUp to 51°11° by 11 AM · freezing, low 23°−5° · Clear
Tomorrow afternoonUp to 66°19° by 3 PM · Clear
Tomorrow nightDown to 30°−1° by 4 AM · freezing, low 30°−1° · Clear
Monday morningUp to 53°12° by 11 AM · freezing, low 29°−2° · Partly cloudy
Monday afternoonUp to 68°20° by 3 PM · Partly cloudy
Monday nightDown to 55°13° by 9 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 10p	Clear	36°2° (likely 35°2° to 41°5°)	36°2°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	82%	0%	0
Sat 11p	Clear	34°1° (likely 34°1° to 39°4°)	34°1°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	89%	0%	0
Sun 12a	Clear	32°0° (likely 32°0° to 39°4°)	29°−2°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	92%	0%	0
Sun 1a	Clear	30°−1° (likely 30°−1° to 38°3°)	30°−1°	0%	2 mph3 km/h from N, gusts 7 mph10 km/h	96%	0%	0
Sun 2a	Clear	29°−2° (likely 29°−2° to 38°3°)	29°−2°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	96%	0%	0
Sun 3a	Clear	28°−2° (likely 28°−2° to 38°3°)	28°−2°	0%	1 mph2 km/h from N, gusts 5 mph9 km/h	96%	0%	0
Sun 4a	Clear	27°−3° (likely 27°−3° to 36°2°)	27°−3°	0%	2 mph3 km/h from N, gusts 6 mph9 km/h	96%	2%	0
Sun 5a	Clear	26°−3° (likely 26°−3° to 36°2°)	26°−3°	0%	1 mph2 km/h from NE, gusts 6 mph9 km/h	96%	5%	0
Sun 6a	Clear	24°−4° (likely 24°−4° to 36°2°)	24°−4°	0%	2 mph3 km/h from N, gusts 5 mph9 km/h	96%	7%	0
Sun 7a	Sunny	23°−5° (likely 23°−5° to 36°2°)	23°−5°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	96%	8%	0
Sun 8a	Sunny	26°−3° (likely 26°−3° to 36°2°)	26°−3°	0%	2 mph3 km/h from N, gusts 3 mph5 km/h	96%	7%	0
Sun 9a	Sunny	32°0° (likely 32°0° to 41°5°)	32°0°	0%	2 mph3 km/h from N, gusts 3 mph5 km/h	85%	0%	1
Sun 10a	Sunny	41°5° (likely 41°5° to 49°9°)	41°5°	0%	1 mph2 km/h from N, gusts 4 mph6 km/h	70%	0%	2
Sun 11a	Sunny	51°11° (likely 51°11° to 54°12°)	51°11°	0%	1 mph2 km/h from N, gusts 4 mph6 km/h	59%	0%	3
Sun 12p	Sunny	57°14° (likely 56°13° to 59°15°)	57°14°	0%	1 mph2 km/h from SW, gusts 5 mph8 km/h	47%	0%	4
Sun 1p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	2 mph3 km/h from S, gusts 6 mph9 km/h	39%	0%	4
Sun 2p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	35%	0%	4
Sun 3p	Sunny	66°19° (likely 62°17° to 66°19°)	66°19°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	34%	0%	3
Sun 4p	Sunny	65°18° (likely 60°16° to 65°18°)	65°18°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	37%	0%	2
Sun 5p	Sunny	62°17° (likely 57°14° to 62°17°)	62°17°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	43%	0%	1
Sun 6p	Clear	56°13° (likely 52°11° to 56°13°)	56°13°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	51%	0%	0
Sun 7p	Clear	50°10° (likely 47°8° to 53°12°)	50°10°	0%	2 mph3 km/h from S, gusts 6 mph9 km/h	63%	0%	0
Sun 8p	Clear	45°7° (likely 42°6° to 49°9°)	45°7°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	73%	0%	0
Sun 9p	Clear	41°5° (likely 39°4° to 48°9°)	41°5°	0%	0 mph0 km/h, gusts 7 mph11 km/h	86%	0%	0
Sun 10p	Clear	39°4° (likely 38°3° to 47°8°)	39°4°	0%	0 mph0 km/h, gusts 6 mph10 km/h	89%	0%	0
Sun 11p	Clear	36°2° (likely 36°2° to 45°7°)	36°2°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	0%	0
Mon 12a	Clear	35°2° (likely 35°2° to 44°7°)	35°2°	0%	0 mph0 km/h, gusts 7 mph11 km/h	96%	9%	0
Mon 1a	Mostly clear	34°1° (likely 34°1° to 43°6°)	34°1°	0%	0 mph0 km/h, gusts 8 mph12 km/h	92%	18%	0
Mon 2a	Mostly clear	33°1° (likely 33°1° to 42°6°)	33°1°	0%	0 mph0 km/h, gusts 7 mph11 km/h	96%	24%	0
Mon 3a	Mostly clear	31°−1° (likely 31°−1° to 41°5°)	31°−1°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	41%	0
Mon 4a	Clear	30°−1° (likely 30°−1° to 41°5°)	30°−1°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	26%	0
Mon 5a	Clear	30°−1° (likely 30°−1° to 40°4°)	30°−1°	0%	1 mph2 km/h from SW, gusts 7 mph11 km/h	100%	36%	0
Mon 6a	Partly cloudy	30°−1° (likely 30°−1° to 39°4°)	30°−1°	0%	1 mph2 km/h from SW, gusts 7 mph11 km/h	100%	32%	0
Mon 7a	Partly sunny	29°−2° (likely 29°−2° to 39°4°)	29°−2°	0%	1 mph2 km/h from SW, gusts 7 mph11 km/h	100%	71%	0
Mon 8a	Mostly sunny	30°−1° (likely 30°−1° to 41°5°)	30°−1°	0%	1 mph2 km/h from SW, gusts 7 mph11 km/h	96%	63%	0
Mon 9a	Partly sunny	36°2° (likely 36°2° to 45°7°)	36°2°	0%	1 mph2 km/h from SW, gusts 6 mph10 km/h	96%	27%	1
Mon 10a	Sunny	46°8° (likely 45°7° to 53°12°)	46°8°	0%	1 mph2 km/h from SW, gusts 4 mph7 km/h	89%	27%	2
Mon 11a	Sunny	53°12° (likely 53°12° to 58°14°)	53°12°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	74%	29%	3
Mon 12p	Sunny	59°15° (likely 58°14° to 62°17°)	59°15°	0%	3 mph5 km/h from W, gusts 12 mph19 km/h	64%	22%	4
Mon 1p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	3 mph5 km/h from W, gusts 14 mph23 km/h	58%	23%	4
Mon 2p	Sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	5 mph8 km/h from W, gusts 16 mph25 km/h	54%	34%	4
Mon 3p	Mostly sunny	68°20° (likely 64°18° to 68°20°)	68°20°	0%	5 mph8 km/h from W, gusts 17 mph28 km/h	53%	30%	3
Mon 4p	Mostly sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	5 mph8 km/h from W, gusts 18 mph29 km/h	56%	31%	2
Mon 5p	Mostly sunny	66°19° (likely 61°16° to 66°19°)	66°19°	0%	5 mph8 km/h from W, gusts 15 mph24 km/h	58%	59%	1
Mon 6p	Mostly clear	64°18° (likely 58°14° to 64°18°)	64°18°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	63%	36%	0
Mon 7p	Clear	60°16° (likely 54°12° to 60°16°)	60°16°	0%	3 mph5 km/h from NW, gusts 9 mph14 km/h	72%	31%	0
Mon 8p	Cloudy	57°14° (likely 52°11° to 57°14°)	57°14°	0%	3 mph5 km/h from NW, gusts 8 mph13 km/h	80%	58%	0
Mon 9p	Mostly clear	55°13° (likely 50°10° to 56°13°)	55°13°	0%	3 mph5 km/h from NW, gusts 9 mph14 km/h	86%	33%	0

Days ahead

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

Today, Oct 24. Cloudy. High 60°16°, low 23°−5°. Typical 59°15° / 36°2°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 34°1°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 26°−3°
  Dry
Official NWS forecast
Tonight: Areas of frost. Clear, with a low around 23. North wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–62°17°
Low, likely
23°−5°–27°−3°
Typical high / low
59°15° / 36°2°
Wind
7 mph11 km/h, gusts 15 mph24 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 66°19°, low 29°−2°. Typical 58°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 26°−3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 30°−1°
  Dry
Official NWS forecast
Day: Areas of frost before 10am. Sunny, with a high near 66. North wind 1 to 5 mph.
Night: Areas of frost after 11pm. Mostly clear, with a low around 29. South wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
28°−2°–36°2°
Typical high / low
58°14° / 35°2°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 68°20°, low 37°3°. Typical 58°14° / 35°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  Dry
Official NWS forecast
Day: Areas of frost before 10am. Sunny, with a high near 68. West wind 1 to 5 mph.
Night: Mostly clear, with a low around 37. Northwest wind around 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
64°18°–68°20°
Low, likely
32°0°–37°3°
Typical high / low
58°14° / 35°2°
Wind
10 mph15 km/h, gusts 24 mph38 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 55°13°, low 27°−3°. Typical 57°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 28°−2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 55. North wind 3 to 7 mph.
Night: Clear, with a low around 27. North wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–55°13°
Low, likely
27°−3°–34°1°
Typical high / low
57°14° / 35°2°
Wind
9 mph14 km/h, gusts 22 mph35 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 56°13°, low 35°2°. Typical 57°14° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 56. East wind around 3 mph.
Night: Partly cloudy, with a low around 35. South wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–56°13°
Low, likely
25°−4°–35°2°
Typical high / low
57°14° / 34°1°
Wind
7 mph12 km/h, gusts 17 mph27 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 65°18°, low 45°7°. Typical 57°14° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 65. Southwest wind 2 to 8 mph.
Night: Mostly clear, with a low around 45. Southwest wind 2 to 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–67°19°
Low, likely
36°2°–45°7°
Typical high / low
57°14° / 34°1°
Wind
10 mph17 km/h, gusts 30 mph48 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 67°19°, low 41°5°. Typical 56°13° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67. West wind 2 to 6 mph.
Night: Partly cloudy, with a low around 41. Northwest wind around 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–72°22°
Low, likely
40°4°–45°7°
Typical high / low
56°13° / 34°1°
Wind
9 mph14 km/h, gusts 22 mph35 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 64°18°, low 38°3°. Typical 56°13° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64. Northwest wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–64°18°
Low, likely
36°2°–42°6°
Typical high / low
56°13° / 34°1°
Wind
5 mph9 km/h, gusts 15 mph24 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 63°17°, low 43°6°. Typical 56°13° / 33°1°. Rain 0.01 in0.3 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 57°14°
  30% chance
4. Overnight
  midnight–6 AM
  Drizzle, 56°13°
  30% chance · 0.08 in2 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
59°15°–65°18°
Low, likely
37°3°–46°8°
Typical high / low
56°13° / 33°1°
Wind
11 mph17 km/h, gusts 28 mph45 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 64°18°, low 54°12°. Typical 55°13° / 33°1°. Rain 0.21 in5.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  40% chance · 0.07 in1.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 63°17°
  40% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 57°14°
  30% chance · 0.02 in0.6 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°–66°19°
Low, likely
48°9°–61°16°
Typical high / low
55°13° / 33°1°
Wind
15 mph24 km/h, gusts 35 mph57 km/h

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 23°.
Tomorrow
Dry, high 66°, low 29°, warming up.
Monday
Dry, high 68°, low 37°.
Rest of week
Mostly dry, highs 55–67°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOX) (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

Deerfield River at West Deerfield

5.0 mi

Below flood stage

Level: 2.1 ft
Flow: 315 cfs

Forecast peak 2.6 ft Sun 2 AM

Reading from Sat 8:30 PM · NWS gauge page

Connecticut River at Montague

6.9 mi

Below flood stage

Level: 9.3 ft
Flow: 7,370 cfs

Forecast peak 7.7 ft Sun 2 AM

Reading from Sat 8:30 PM · NWS gauge page

Deerfield River at Charlemont

17 mi

Below flood stage

Level: 2.0 ft
Flow: 211 cfs

Forecast peak 2.5 ft Sun 2 AM

Reading from Sat 8:30 PM · NWS gauge page

West Branch Swift River at Shutesbury

11 mi

Level: 1.2 ft
Flow: 5 cfs

Reading from Sat 8 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: 23°−5°

Overnight low near 23°F — not yet at drip-the-faucets cold, but worth watching if it's forecast to drop further.

Heating this week

About 69% less heating than a typical week.

This week 41Typical 133

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 19 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

Sun, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

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

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 0° colder than normal (daily mean temperature).

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

South Deerfield weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 40 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 36 min less
Golden hour: 5:15–6:11 PM; Morning 6:56–7:53 AM
Blue hour: 6:11–6:23 PM; Morning 6:45–6:56 AM; first light 6:45 AM

Stars tonight? Fair

Clear 10:07 PM–6:46 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:23 AM · rises 4:51 PM
Full moon: Oct 26
New moon: Nov 9

Looking southwest from South Deerfield. The highest point on the skyline is about 8,500 ft, 39 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

South Deerfield, MA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Deerfield River at West Deerfield

Connecticut River at Montague

Deerfield River at Charlemont

West Branch Swift River at Shutesbury

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