Skip to forecast
Search a place

Observed 3:50 PM EDT at KCQX

West Chatham, MA weather

Sunny and 55°13°, jacket by 6 PM.

Today: low 39°4° (likely 37°3° to 49°9°), high 56°13° (likely 52°11° to 56°13°).

Mostly agree

Now 55°13°

Sunny

Wind
5 mph7 km/h
From the east-northeast. Light through 4 AM
Dew point
36°2°
Comfortable
UV tomorrow
4Moderate
Moderate 11 AM–4 PM · peak 4
Air quality
30Good
Main pollutant: Ozone
Pressure
30.5 inHg1033 hPa
Falling slowly · −0.02 inHg−0.6 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Below 50°10° tonight after 8 PM
  • Low 41°5° tomorrow at 6 AM
  • Above 50°10° tomorrow by 9 AM
  • High 59°15° tomorrow at noon
  1. This afternoonNear 56°13° · Clear
  2. TonightDown to 42°6° by 5 AM · Clear
  3. Tomorrow morningUp to 57°14° by 11 AM · Clear
  4. Tomorrow afternoonNear 58°14° · Clear
  5. Tomorrow nightDown to 47°8° by 10 PM · Clear
  6. Monday morningUp to 57°14° by 11 AM · Clear
  7. Monday afternoonNear 59°15° · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 4pSunny55°13° (likely 51°11° to 55°13°)55°13°0%3 mph5 km/h from NW, gusts 8 mph12 km/h57%3%1
Sat 5pSunny56°13° (likely 51°11° to 56°13°)56°13°0%2 mph3 km/h from NW, gusts 6 mph10 km/h55%0%0
Sat 6pClear53°12° (likely 48°9° to 53°12°)53°12°0%1 mph2 km/h from NW, gusts 5 mph7 km/h61%0%0
Sat 7pClear51°11° (likely 46°8° to 51°11°)51°11°0%2 mph3 km/h from W, gusts 3 mph5 km/h66%1%0
Sat 8pClear47°8° (likely 46°8° to 51°11°)47°8°0%2 mph3 km/h from SW, gusts 4 mph6 km/h74%0%0
Sat 9pClear45°7° (likely 45°7° to 50°10°)45°7°0%2 mph3 km/h from SW, gusts 5 mph8 km/h79%0%0
Sat 10pClear44°7° (likely 44°7° to 50°10°)44°7°0%2 mph3 km/h from W, gusts 5 mph7 km/h82%0%0
Sat 11pClear44°7° (likely 44°7° to 50°10°)44°7°0%2 mph3 km/h from W, gusts 5 mph8 km/h82%0%0
Sun 12aClear43°6° (likely 43°6° to 50°10°)43°6°0%2 mph3 km/h from W, gusts 5 mph8 km/h86%0%0
Sun 1aClear43°6° (likely 42°6° to 50°10°)43°6°0%2 mph3 km/h from W, gusts 4 mph7 km/h86%0%0
Sun 2aClear44°7° (likely 42°6° to 50°10°)44°7°0%2 mph3 km/h from W, gusts 4 mph6 km/h82%0%0
Sun 3aClear43°6° (likely 42°6° to 50°10°)43°6°0%2 mph3 km/h from W, gusts 4 mph6 km/h86%0%0
Sun 4aClear43°6° (likely 42°6° to 50°10°)43°6°0%2 mph3 km/h from W, gusts 3 mph5 km/h82%0%0
Sun 5aClear42°6° (likely 42°6° to 49°9°)42°6°0%2 mph3 km/h from W, gusts 3 mph4 km/h82%0%0
Sun 6aClear41°5° (likely 41°5° to 49°9°)41°5°0%2 mph3 km/h from W, gusts 2 mph4 km/h82%0%0
Sun 7aSunny41°5° (likely 41°5° to 49°9°)41°5°0%2 mph3 km/h from W, gusts 3 mph5 km/h82%0%0
Sun 8aSunny46°8° (likely 43°6° to 50°10°)46°8°0%2 mph3 km/h from W, gusts 2 mph4 km/h76%1%0
Sun 9aSunny52°11° (likely 46°8° to 52°11°)52°11°0%1 mph2 km/h from W, gusts 2 mph3 km/h66%1%1
Sun 10aSunny55°13° (likely 52°11° to 55°13°)55°13°0%1 mph2 km/h from SW, gusts 3 mph5 km/h61%0%2
Sun 11aSunny57°14° (likely 54°12° to 57°14°)57°14°0%2 mph3 km/h from S, gusts 7 mph11 km/h59%1%3
Sun 12pSunny59°15° (likely 54°12° to 59°15°)59°15°0%3 mph5 km/h from S, gusts 7 mph11 km/h55%2%4
Sun 1pSunny59°15° (likely 55°13° to 59°15°)59°15°0%5 mph8 km/h from S, gusts 8 mph13 km/h55%3%4
Sun 2pSunny59°15° (likely 55°13° to 59°15°)59°15°0%6 mph10 km/h from S, gusts 8 mph14 km/h55%4%4
Sun 3pSunny59°15° (likely 54°12° to 59°15°)59°15°0%7 mph11 km/h from S, gusts 9 mph14 km/h55%5%3
Sun 4pSunny58°14° (likely 53°12° to 58°14°)58°14°0%7 mph11 km/h from S, gusts 9 mph15 km/h57%10%2
Sun 5pSunny56°13° (likely 51°11° to 56°13°)56°13°0%7 mph11 km/h from S, gusts 12 mph19 km/h64%8%1
Sun 6pClear53°12° (likely 49°9° to 53°12°)53°12°0%7 mph11 km/h from S, gusts 12 mph19 km/h71%10%0
Sun 7pClear50°10° (likely 48°9° to 52°11°)48°9°0%6 mph10 km/h from SW, gusts 12 mph20 km/h83%13%0
Sun 8pClear49°9° (likely 48°9° to 52°11°)47°8°0%5 mph8 km/h from SW, gusts 13 mph20 km/h86%14%0
Sun 9pClear49°9° (likely 47°8° to 51°11°)48°9°0%3 mph5 km/h from SW, gusts 14 mph22 km/h86%12%0
Sun 10pClear47°8° (likely 47°8° to 51°11°)46°8°0%3 mph5 km/h from SW, gusts 13 mph21 km/h93%8%0
Sun 11pClear47°8° (likely 47°8° to 51°11°)46°8°0%3 mph5 km/h from SW, gusts 13 mph21 km/h96%5%0
Mon 12aClear48°9° (likely 48°9° to 51°11°)47°8°0%3 mph5 km/h from SW, gusts 12 mph20 km/h93%3%0
Mon 1aClear48°9° (likely 48°9° to 51°11°)47°8°0%3 mph5 km/h from SW, gusts 12 mph20 km/h93%1%0
Mon 2aClear48°9° (likely 48°9° to 52°11°)46°8°0%5 mph8 km/h from SW, gusts 12 mph20 km/h93%1%0
Mon 3aClear48°9° (likely 48°9° to 51°11°)46°8°0%5 mph8 km/h from SW, gusts 13 mph21 km/h89%1%0
Mon 4aClear48°9° (likely 48°9° to 51°11°)46°8°0%5 mph8 km/h from W, gusts 13 mph22 km/h96%1%0
Mon 5aClear48°9° (likely 48°9° to 51°11°)45°7°0%6 mph10 km/h from SW, gusts 14 mph23 km/h100%1%0
Mon 6aClear49°9° (likely 49°9° to 51°11°)47°8°0%6 mph10 km/h from SW, gusts 15 mph24 km/h96%2%0
Mon 7aSunny49°9° (likely 49°9° to 51°11°)47°8°0%6 mph10 km/h from SW, gusts 15 mph25 km/h96%0%0
Mon 8aSunny50°10° (likely 50°10° to 52°11°)48°9°0%6 mph10 km/h from SW, gusts 16 mph25 km/h93%3%0
Mon 9aSunny54°12° (likely 52°11° to 55°13°)54°12°0%7 mph11 km/h from SW, gusts 15 mph25 km/h80%0%1
Mon 10aSunny56°13° (likely 55°13° to 57°14°)56°13°0%8 mph13 km/h from W, gusts 16 mph26 km/h77%0%2
Mon 11aSunny57°14° (likely 56°13° to 59°15°)57°14°0%8 mph13 km/h from W, gusts 17 mph27 km/h75%13%3
Mon 12pSunny58°14° (likely 58°14° to 60°16°)58°14°0%8 mph13 km/h from W, gusts 16 mph25 km/h72%8%4
Mon 1pSunny59°15° (likely 59°15° to 62°17°)59°15°0%8 mph13 km/h from SW, gusts 16 mph26 km/h72%13%4
Mon 2pSunny60°16° (likely 59°15° to 63°17°)60°16°0%8 mph13 km/h from SW, gusts 15 mph23 km/h69%4%4
Mon 3pSunny60°16° (likely 59°15° to 66°19°)60°16°0%8 mph13 km/h from SW, gusts 15 mph24 km/h69%5%3

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Mostly sunny. High 56°13°, low 39°4°. Typical 59°15° / 45°7°. Dry. Mostly agree.
    1. Afternoon

      noon–6 PM

      Sunny, 56°13°

      Dry

    2. Evening

      6 PM–midnight

      Clear, 47°8°

      Dry

    3. Overnight

      midnight–6 AM

      Clear, 42°6°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 56. Northwest wind around 3 mph.

    Tonight: Clear, with a low around 39. West wind around 2 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    52°11°–56°13°
    Low, likely
    37°3°–49°9°
    Typical high / low
    59°15° / 45°7°
    Wind
    12 mph19 km/h, gusts 18 mph28 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Sunny. High 59°15°, low 46°8°. Typical 58°14° / 44°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 46°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 49°9°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 48°9°

      Dry

    Official NWS forecast

    Day: Patchy frost before 8am. Sunny, with a high near 59. Southwest wind 1 to 7 mph.

    Night: Clear, with a low around 46. Southwest wind 3 to 7 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    55°13°–59°15°
    Low, likely
    41°5°–47°8°
    Typical high / low
    58°14° / 44°7°
    Wind
    11 mph18 km/h, gusts 18 mph29 km/h
    UV peak
    4
  3. Monday, Oct 26. Sunny. High 60°16°, low 44°7°. Typical 58°14° / 44°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 56°13°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 53°11°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 60. Southwest wind around 8 mph.

    Night: Mostly clear, with a low around 44. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    59°15°–64°18°
    Low, likely
    44°7°–51°11°
    Typical high / low
    58°14° / 44°7°
    Wind
    14 mph22 km/h, gusts 20 mph33 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Mostly sunny. High 51°11°, low 42°6°. Typical 58°14° / 44°7°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 49°10°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 46°8°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 46°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 51. North wind 8 to 12 mph, with gusts as high as 23 mph.

    Night: Mostly clear, with a low around 42. North wind around 7 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    51°11°–57°14°
    Low, likely
    42°6°–47°8°
    Typical high / low
    58°14° / 44°7°
    Wind
    21 mph33 km/h, gusts 30 mph47 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Mostly sunny. High 51°11°, low 44°7°. Typical 58°14° / 44°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 51°10°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 48°9°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 48°9°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 51. Northeast wind around 6 mph.

    Night: Mostly clear, with a low around 44. South wind around 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    49°9°–52°11°
    Low, likely
    44°7°–47°8°
    Typical high / low
    58°14° / 44°7°
    Wind
    11 mph18 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 58°14°, low 52°11°. Typical 57°14° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 51°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 57°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 55°13°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 55°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 58. Southwest wind 5 to 13 mph.

    Night: Mostly clear, with a low around 52. Southwest wind around 12 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    55°13°–60°16°
    Low, likely
    45°7°–52°11°
    Typical high / low
    57°14° / 43°6°
    Wind
    20 mph32 km/h, gusts 27 mph43 km/h
    UV peak
    4
  7. Friday, Oct 30. Mostly sunny. High 60°16°, low 49°9°. Typical 57°14° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 62°17°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 57°14°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 55°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 60. West wind 7 to 10 mph.

    Night: Partly cloudy, with a low around 49. Northwest wind around 7 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    60°16°–63°17°
    Low, likely
    49°9°–56°13°
    Typical high / low
    57°14° / 43°6°
    Wind
    18 mph29 km/h, gusts 29 mph47 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 58°14°, low 53°12°. Typical 57°14° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 54°12°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 52°11°

      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.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    56°13°–60°16°
    Low, likely
    50°10°–55°13°
    Typical high / low
    57°14° / 43°6°
    Wind
    12 mph20 km/h, gusts 28 mph46 km/h
    UV peak
    3
  9. Sunday, Nov 1. Cloudy. High 60°16°, low 53°12°. Typical 56°13° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 60°16°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 58°15°

      20% chance

    4. Overnight

      midnight–6 AM

      Drizzle, 58°15°

      40% chance · 0.06 in1.5 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.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    58°14°–62°17°
    Low, likely
    47°8°–55°13°
    Typical high / low
    56°13° / 43°6°
    Wind
    17 mph27 km/h, gusts 23 mph37 km/h
    UV peak
    4
  10. Monday, Nov 2. Drizzle. High 63°17°, low 58°14°. Typical 56°13° / 42°6°. Rain 0.16 in4.1 mm, 40% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Rain, 59°15°

      40% chance · 0.08 in2 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 63°17°

      30% chance · 0.02 in0.6 mm

    3. Evening

      6 PM–midnight

      Drizzle, 61°16°

      20% chance · 0.02 in0.5 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.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    61°16°–65°18°
    Low, likely
    55°13°–61°16°
    Typical high / low
    56°13° / 42°6°
    Wind
    25 mph41 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 56°, low 39°.

  2. Tomorrow

    Dry, high 59°, low 46°, warming up.

  3. Monday

    Dry, high 60°, low 44°.

  4. Rest of week

    Mostly dry, highs 51–63°.

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

Atlantic Coast at Chatham Harbor (IN MLLW)

2.2 mi
Below flood stage
Level
2.5 ft

Forecast peak 5.8 ft Mon 12 PM

Reading from Sat 3 PM · NWS gauge page

Atlantic Coast at Dennis Sesuit Harbor (IN MLLW)

9.7 mi
Below flood stage
Level
2.9 ft

Forecast peak 11.1 ft Mon 12 PM

Reading from Sat 3 PM · NWS gauge page

Herring River at North Harwich

6.1 mi
Level
1.7 ft
Flow
3 cfs

Reading from Sat 2:45 PM · NWS gauge page

For your home

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

Heating this week

About 71% less heating than a typical week.

This week 28Typical 99

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
15
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 3 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°F).

Open the windows?

Mon, 2:00 PM–3:00 PM

Good stretch to open the windows.

Is this typical?

Chatham Municipal Airport · official normals 1991–2020 · records 1996–2026

Oct 24, today vs a typical year

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

Normal high / low
59°15° / 45°7°
Forecast high / low
56°13° / 39°4°
Record high
69°21° in 2024
Record low
30°−1° in 2008

Last 7 days vs normal

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

  1. −9°−5°SunOct 18
  2. −6°−3°MonOct 19
  3. +4°+2°TueOct 20
  4. +2°+1°WedOct 21
  5. +3°+1°ThuOct 22
  6. −7°−4°FriOct 23
  7. —SatOct 24

West Chatham weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:02 AM, sunset 5:45 PM.

Daylight
10 h 43 min
Losing 2 min 39 s a day; shortest Dec 21, 1 h 34 min less
Golden hour
5:06–6:02 PM
Morning 6:45–7:41 AM
Blue hour
6:02–6:13 PM
Morning 6:34–6:45 AM; first light 6:34 AM

Stars tonight? Fair

Clear 6:13 PM–6:35 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today
sets 5:11 AM · rises 4:41 PM
Full moon
Oct 26
New moon
Nov 9
Looking south from West Chatham. The highest point on the skyline is about 1,800 ft, 30 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.