Observed 4:55 PM EDT at KMMK

Durham, CT weather

Sunny and 63°17°.

Mostly agree

Now 63°17°

Sunny

Wind: Calm; Light through 5 AM
Dew point: 28°−2°; Dry · up to 38°3° by 6 PM (comfortable)
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air today: 50Good; EPA forecast · PM2.5 (fine particles)
Pressure: 30.49 inHg1033 hPa; Falling slowly · −0.03 inHg−1.0 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° warmer than this time yesterday (59°15° then, 63°17° now)

Good hours for

Below 50°10° tonight after 8 PM
Low 33°1° tonight at 5 AM
Above 50°10° tomorrow by 11 AM

TonightDown to 33°1° by 5 AM · Clear
Tomorrow morningUp to 54°12° by 11 AM · Clear
Tomorrow afternoonUp to 65°18° by 4 PM · Clear
Tomorrow nightDown to 38°3° by 3 AM · Clear
Monday morningUp to 56°13° by 11 AM · Clear
Monday afternoonUp to 67°19° by 3 PM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 5p	Sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 6 mph10 km/h	47%	5%	0
Sat 6p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	53%	1%	0
Sat 7p	Clear	52°11° (likely 45°7° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 6 mph9 km/h	56%	2%	0
Sat 8p	Clear	45°7° (likely 42°6° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	70%	28%	0
Sat 9p	Clear	43°6° (likely 40°4° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 4 mph7 km/h	73%	19%	0
Sat 10p	Clear	41°5° (likely 38°3° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	76%	0%	0
Sat 11p	Clear	39°4° (likely 37°3° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	82%	0%	0
Sun 12a	Clear	38°3° (likely 35°2° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 3 mph6 km/h	79%	0%	0
Sun 1a	Clear	37°3° (likely 34°1° to 44°7°)	37°3°	0%	1 mph2 km/h from N, gusts 3 mph5 km/h	79%	5%	0
Sun 2a	Clear	35°2° (likely 33°1° to 43°6°)	35°2°	0%	1 mph2 km/h from N, gusts 3 mph5 km/h	85%	8%	0
Sun 3a	Clear	34°1° (likely 32°0° to 43°6°)	34°1°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	85%	11%	0
Sun 4a	Clear	34°1° (likely 31°−1° to 42°6°)	34°1°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	85%	10%	0
Sun 5a	Clear	33°1° (likely 31°−1° to 41°5°)	33°1°	0%	2 mph3 km/h from N, gusts 5 mph7 km/h	89%	0%	0
Sun 6a	Clear	33°1° (likely 31°−1° to 40°4°)	33°1°	0%	2 mph3 km/h from N, gusts 6 mph9 km/h	89%	0%	0
Sun 7a	Sunny	33°1° (likely 32°0° to 39°4°)	33°1°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	89%	0%	0
Sun 8a	Sunny	34°1° (likely 32°0° to 39°4°)	34°1°	0%	2 mph3 km/h from N, gusts 4 mph6 km/h	89%	0%	0
Sun 9a	Sunny	40°4° (likely 39°4° to 45°7°)	40°4°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	76%	0%	1
Sun 10a	Sunny	47°8° (likely 47°8° to 51°11°)	47°8°	0%	2 mph3 km/h from N, gusts 6 mph10 km/h	63%	0%	2
Sun 11a	Sunny	54°12° (likely 53°12° to 56°13°)	54°12°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	52%	0%	3
Sun 12p	Sunny	58°14° (likely 58°14° to 60°16°)	58°14°	0%	2 mph3 km/h from NW, gusts 5 mph9 km/h	45%	0%	4
Sun 1p	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	39%	0%	4
Sun 2p	Sunny	64°18° (likely 63°17° to 65°18°)	64°18°	0%	2 mph3 km/h from W, gusts 7 mph10 km/h	38%	0%	4
Sun 3p	Sunny	64°18° (likely 63°17° to 65°18°)	64°18°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	38%	0%	3
Sun 4p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	3 mph5 km/h from SW, gusts 8 mph12 km/h	38%	0%	2
Sun 5p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	44%	0%	1
Sun 6p	Clear	58°14° (likely 53°12° to 58°14°)	58°14°	0%	2 mph3 km/h from S, gusts 8 mph12 km/h	51%	0%	0
Sun 7p	Clear	54°12° (likely 48°9° to 54°12°)	54°12°	0%	2 mph3 km/h from S, gusts 7 mph12 km/h	61%	0%	0
Sun 8p	Clear	48°9° (likely 46°8° to 49°9°)	48°9°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	77%	0%	0
Sun 9p	Clear	46°8° (likely 45°7° to 48°9°)	46°8°	0%	1 mph2 km/h from SW, gusts 7 mph12 km/h	79%	0%	0
Sun 10p	Clear	45°7° (likely 44°7° to 47°8°)	45°7°	0%	1 mph2 km/h from SW, gusts 7 mph11 km/h	82%	0%	0
Sun 11p	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	1 mph2 km/h from SW, gusts 8 mph13 km/h	93%	0%	0
Mon 12a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	1 mph2 km/h from SW, gusts 7 mph11 km/h	93%	0%	0
Mon 1a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	96%	0%	0
Mon 2a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	96%	0%	0
Mon 3a	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	100%	0%	0
Mon 4a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	96%	1%	0
Mon 5a	Clear	38°3° (likely 37°3° to 42°6°)	38°3°	0%	1 mph2 km/h from W, gusts 7 mph10 km/h	96%	2%	0
Mon 6a	Clear	36°2° (likely 36°2° to 43°6°)	36°2°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	96%	6%	0
Mon 7a	Mostly sunny	37°3° (likely 36°2° to 43°6°)	37°3°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	89%	53%	0
Mon 8a	Mostly sunny	38°3° (likely 37°3° to 43°6°)	38°3°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	85%	25%	0
Mon 9a	Sunny	42°6° (likely 42°6° to 48°9°)	42°6°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	82%	16%	1
Mon 10a	Mostly sunny	49°9° (likely 49°9° to 55°13°)	49°9°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	71%	24%	2
Mon 11a	Sunny	56°13° (likely 56°13° to 60°16°)	56°13°	0%	3 mph5 km/h from W, gusts 9 mph14 km/h	64%	10%	3
Mon 12p	Sunny	61°16° (likely 60°16° to 63°17°)	61°16°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	58%	21%	4
Mon 1p	Sunny	64°18° (likely 62°17° to 66°19°)	64°18°	0%	6 mph10 km/h from W, gusts 12 mph19 km/h	56%	38%	4
Mon 2p	Sunny	66°19° (likely 64°18° to 68°20°)	66°19°	0%	7 mph11 km/h from W, gusts 12 mph19 km/h	54%	13%	4
Mon 3p	Sunny	67°19° (likely 64°18° to 69°21°)	67°19°	0%	7 mph11 km/h from W, gusts 12 mph20 km/h	54%	10%	3
Mon 4p	Sunny	67°19° (likely 63°17° to 68°20°)	67°19°	0%	6 mph10 km/h from W, gusts 12 mph20 km/h	56%	6%	2

Days ahead

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

Today, Oct 24. Cloudy. High 61°16°, low 32°0°. Typical 61°16° / 41°5°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 33°1°
  Dry
Official NWS forecast
Today: Sunny. High near 61, with temperatures falling to around 59 in the afternoon. Wind around 0 mph.
Tonight: Areas of frost after midnight. Mostly clear, with a low around 32. Northwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–61°16°
Low, likely
31°−1°–33°1°
Typical high / low
61°16° / 41°5°
Wind
6 mph10 km/h, gusts 11 mph18 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 65°18°, low 36°2°. Typical 61°16° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny. High near 65, with temperatures falling to around 62 in the afternoon. West wind around 3 mph.
Night: Patchy frost after 3am. Mostly clear. Low around 36, with temperatures rising to around 38 overnight. Southwest wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–65°18°
Low, likely
29°−2°–39°4°
Typical high / low
61°16° / 40°4°
Wind
7 mph11 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 67°19°, low 43°6°. Typical 61°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny. High near 67, with temperatures falling to around 65 in the afternoon. West wind 1 to 7 mph.
Night: Mostly clear. Low around 43, with temperatures rising to around 45 overnight.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–68°20°
Low, likely
35°2°–43°6°
Typical high / low
61°16° / 40°4°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
4
Tuesday, Oct 27. Sunny. High 59°15°, low 32°0°. Typical 60°16° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 59.
Night: Clear, with a low around 32.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–59°15°
Low, likely
32°0°–41°5°
Typical high / low
60°16° / 40°4°
Wind
10 mph16 km/h, gusts 24 mph39 km/h
UV peak
4
Wednesday, Oct 28. Mostly sunny. High 58°14°, low 40°4°. Typical 60°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 58.
Night: Partly cloudy, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–58°14°
Low, likely
31°−1°–40°4°
Typical high / low
60°16° / 39°4°
Wind
7 mph11 km/h, gusts 18 mph29 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 65°18°, low 48°9°. Typical 60°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  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 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–65°18°
Low, likely
42°6°–48°9°
Typical high / low
60°16° / 39°4°
Wind
12 mph20 km/h, gusts 32 mph52 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 70°21°, low 46°8°. Typical 59°15° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  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 70.
Night: Mostly clear, with a low around 46.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–72°22°
Low, likely
46°8°–50°10°
Typical high / low
59°15° / 39°4°
Wind
8 mph13 km/h, gusts 26 mph42 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 63°17°, low 44°7°. Typical 59°15° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°9°
  Dry
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
57°14°–67°19°
Low, likely
43°6°–46°8°
Typical high / low
59°15° / 38°3°
Wind
7 mph11 km/h, gusts 23 mph37 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 63°17°, low 47°8°. Typical 58°14° / 38°3°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 58°14°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°14°
  40% chance · 0.07 in1.7 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
57°14°–68°20°
Low, likely
43°6°–53°12°
Typical high / low
58°14° / 38°3°
Wind
9 mph15 km/h, gusts 22 mph36 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 65°18°, low 56°13°. Typical 58°14° / 38°3°. Rain 0.55 in14 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  40% chance · 0.15 in3.9 mm
2. Afternoon
  noon–6 PM
  Showers, 64°18°
  30% chance · 0.22 in5.6 mm
3. Evening
  6 PM–midnight
  Showers, 62°17°
  30% chance · 0.25 in6.5 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
60°16°–68°20°
Low, likely
53°12°–64°18°
Typical high / low
58°14° / 38°3°
Wind
15 mph24 km/h, gusts 35 mph56 km/h

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 32°.
Tomorrow
Dry, high 65°, low 36°, warming up.
Monday
Dry, high 67°, low 43°.
Rest of week
Mostly dry, highs 58–70°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (OKX) (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 Middle Haddam

8.5 mi

Below flood stage

Level: 2.1 ft

Forecast peak 3.3 ft Sun 1 PM

Reading from Sat 3:45 PM · NWS gauge page

Coginchaug River at Middlefield

3.7 mi

Level: 5.3 ft
Flow: 56 cfs

Reading from Sat 4 PM · NWS gauge page

Quinnipiac River above Wallingford

8.2 mi

Below flood stage

Level: 3.0 ft
Flow: 122 cfs

Reading from Sat 4 PM · NWS gauge page

Lake Hammonasset above Lake Hammonasset

8.5 mi

Level: 0.2 ft

Reading from Sat 4:37 PM · NWS gauge page

For your home

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

Heating this week

About 66% less heating than a typical week.

This week 35Typical 105

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 28
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 28°F).

Open the windows?

Sun, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

MOUNT CARMEL · official normals 1991–2020 · records 1936–2026

Oct 24, today vs a typical year

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

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 43 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 33 min less
Golden hour: 5:17–6:13 PM; Morning 6:55–7:51 AM
Blue hour: 6:13–6:24 PM; Morning 6:44–6:55 AM; first light 6:44 AM

Stars tonight? Fair

Clear 9 PM–6:45 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:23 AM · rises 4:53 PM
Full moon: Oct 26
New moon: Nov 9

Looking east from Durham.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.