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Current weather in East Harwich is overcast clouds.

Where can I find the hourly weather forecast for East Harwich?

This page shows hourly weather forecast for East Harwich, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for East Harwich updated regularly?

Weather data for East Harwich is updated regularly with the latest available observations and forecasts.

Now · 12:08 AM

East Harwich Weather & Hourly Forecast

United States · Massachusetts · 02645

66°F

Overcast night

Feels like: 66°F

💧 Humidity 88% 🌡 Pressure 30.24 inHg 💨 Wind 6 mph 👁 Visibility 17.9 mi ☁ Clouds 97% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for East Harwich

Today

1:00 AM

Overcast night

66° 💧 None 💨 7 mph H 89%30.24 inHg

4:00 AM

Mostly cloudy night

66° 💧 None 💨 8 mph H 87%30.24 inHg

7:00 AM

Overcast

66° 💧 None 💨 9 mph H 90%30.24 inHg

10:00 AM

Overcast

68° 💧 None 💨 12 mph H 90%30.24 inHg

1:00 PM

Overcast

70° 💧 0.001 in 💨 15 mph H 88%30.21 inHg

4:00 PM

Overcast

70° 💧 None 💨 15 mph H 81%30.15 inHg

7:00 PM

Overcast

70° 💧 None 💨 18 mph H 79%30.09 inHg

10:00 PM

Mostly cloudy night

71° 💧 0.002 in 💨 20 mph H 83%30.03 inHg

Tomorrow

1:00 AM

Partly cloudy night

72° 💧 None 💨 25 mph H 85%29.97 inHg

4:00 AM

Partly cloudy night

72° 💧 0.000 in 💨 26 mph H 85%29.88 inHg

7:00 AM

Mostly cloudy

72° 💧 0.001 in 💨 25 mph H 84%29.85 inHg

10:00 AM

Mostly sunny

74° 💧 0.003 in 💨 20 mph H 83%29.83 inHg

1:00 PM

Overcast

76° 💧 None 💨 16 mph H 75%29.80 inHg

4:00 PM

Mostly cloudy

75° 💧 None 💨 16 mph H 81%29.77 inHg

7:00 PM

Overcast night

74° 💧 None 💨 15 mph H 83%29.77 inHg

10:00 PM

Overcast night

73° 💧 None 💨 11 mph H 85%29.80 inHg

Today

1:00 AM

Overcast night

66° 💧 None 💨 7 mph H 89%30.24 inHg

2:00 AM

Overcast night

66° 💧 None 💨 7 mph H 88%30.21 inHg

3:00 AM

Overcast night

66° 💧 None 💨 7 mph H 88%30.21 inHg

4:00 AM

Mostly cloudy night

66° 💧 None 💨 8 mph H 87%30.24 inHg

5:00 AM

Overcast night

66° 💧 None 💨 8 mph H 88%30.24 inHg

6:00 AM

Overcast night

66° 💧 None 💨 8 mph H 89%30.24 inHg

7:00 AM

Overcast

66° 💧 None 💨 9 mph H 90%30.24 inHg

8:00 AM

Overcast

67° 💧 None 💨 10 mph H 89%30.24 inHg

9:00 AM

Overcast

67° 💧 None 💨 11 mph H 89%30.24 inHg

10:00 AM

Overcast

68° 💧 None 💨 12 mph H 90%30.24 inHg

11:00 AM

Overcast

68° 💧 None 💨 13 mph H 90%30.24 inHg

12:00 PM

Overcast

69° 💧 None 💨 14 mph H 89%30.21 inHg

1:00 PM

Overcast

70° 💧 0.001 in 💨 15 mph H 88%30.21 inHg

2:00 PM

Overcast

70° 💧 0.000 in 💨 16 mph H 87%30.18 inHg

3:00 PM

Overcast

70° 💧 None 💨 15 mph H 86%30.18 inHg

4:00 PM

Overcast

70° 💧 None 💨 15 mph H 81%30.15 inHg

5:00 PM

Mostly cloudy

70° 💧 None 💨 15 mph H 80%30.12 inHg

6:00 PM

Mostly cloudy

70° 💧 None 💨 17 mph H 79%30.12 inHg

7:00 PM

Overcast

70° 💧 None 💨 18 mph H 79%30.09 inHg

8:00 PM

Overcast night

71° 💧 None 💨 18 mph H 80%30.06 inHg

9:00 PM

Overcast night

71° 💧 None 💨 18 mph H 81%30.06 inHg

10:00 PM

Mostly cloudy night

71° 💧 0.000 in 💨 20 mph H 83%30.03 inHg

11:00 PM

Overcast night

72° 💧 0.002 in 💨 21 mph H 84%30.00 inHg

Tomorrow

12:00 AM

Mostly cloudy night

72° 💧 None 💨 23 mph H 84%30.00 inHg

1:00 AM

Partly cloudy night

72° 💧 None 💨 25 mph H 85%29.97 inHg

2:00 AM

Mostly cloudy night

71° 💧 None 💨 25 mph H 85%29.94 inHg

3:00 AM

Mostly cloudy night

72° 💧 None 💨 26 mph H 85%29.91 inHg

4:00 AM

Partly cloudy night

72° 💧 0.000 in 💨 26 mph H 85%29.88 inHg

5:00 AM

Mostly cloudy night

72° 💧 None 💨 26 mph H 84%29.85 inHg

6:00 AM

Mostly cloudy night

72° 💧 None 💨 25 mph H 82%29.85 inHg

7:00 AM

Mostly cloudy

72° 💧 None 💨 25 mph H 84%29.85 inHg

8:00 AM

Overcast

73° 💧 None 💨 24 mph H 85%29.85 inHg

9:00 AM

Overcast

73° 💧 0.001 in 💨 22 mph H 84%29.83 inHg

10:00 AM

Mostly sunny

74° 💧 0.003 in 💨 20 mph H 83%29.83 inHg

11:00 AM

Mostly cloudy

75° 💧 0.000 in 💨 18 mph H 77%29.83 inHg

12:00 PM

Mostly cloudy

76° 💧 None 💨 17 mph H 76%29.80 inHg

1:00 PM

Overcast

76° 💧 None 💨 16 mph H 75%29.80 inHg

2:00 PM

Overcast

76° 💧 None 💨 16 mph H 78%29.77 inHg

3:00 PM

Overcast

75° 💧 None 💨 17 mph H 80%29.77 inHg

4:00 PM

Mostly cloudy

75° 💧 None 💨 16 mph H 81%29.77 inHg

5:00 PM

Mostly cloudy

75° 💧 None 💨 16 mph H 82%29.77 inHg

6:00 PM

Overcast

74° 💧 None 💨 16 mph H 82%29.77 inHg

7:00 PM

Overcast night

74° 💧 None 💨 15 mph H 83%29.77 inHg

8:00 PM

Overcast night

73° 💧 None 💨 13 mph H 83%29.77 inHg

9:00 PM

Overcast night

73° 💧 None 💨 11 mph H 84%29.80 inHg

10:00 PM

Overcast night

73° 💧 None 💨 11 mph H 85%29.80 inHg

11:00 PM

Overcast night

73° 💧 None 💨 11 mph H 78%29.80 inHg

Friday

12:00 AM

Overcast night

73° 💧 None 💨 11 mph H 67%29.80 inHg

1:00 AM

Mostly cloudy night

72° 💧 None 💨 11 mph H 65%29.80 inHg

2:00 AM

Overcast night

71° 💧 None 💨 12 mph H 66%29.80 inHg

3:00 AM

Mostly cloudy night

70° 💧 None 💨 13 mph H 68%29.83 inHg

4:00 AM

Mostly clear night

69° 💧 None 💨 12 mph H 70%29.83 inHg

5:00 AM

Mostly clear night

68° 💧 None 💨 14 mph H 74%29.85 inHg

6:00 AM

Clear night

67° 💧 None 💨 14 mph H 76%29.85 inHg

7:00 AM

Sunny

66° 💧 None 💨 13 mph H 75%29.88 inHg

8:00 AM

Sunny

66° 💧 None 💨 12 mph H 72%29.91 inHg

5:00 PM

Sunny

67° 💧 None 💨 3 mph H 60%29.91 inHg

8:00 PM

Clear night

67° 💧 None 💨 7 mph H 73%29.97 inHg

11:00 PM

Clear night

68° 💧 None 💨 8 mph H 83%30.00 inHg

Saturday

2:00 AM

Clear night

67° 💧 None 💨 4 mph H 85%30.03 inHg

5:00 AM

Clear night

66° 💧 None 💨 8 mph H 79%30.06 inHg

8:00 AM

Sunny

66° 💧 None 💨 4 mph H 77%30.09 inHg

11:00 AM

Sunny

67° 💧 None 💨 3 mph H 72%30.15 inHg

2:00 PM

Mostly sunny

68° 💧 None 💨 8 mph H 82%30.12 inHg

5:00 PM

Overcast

70° 💧 None 💨 12 mph H 74%30.09 inHg

8:00 PM

Overcast night

69° 💧 None 💨 12 mph H 81%30.09 inHg

11:00 PM

Overcast night

69° 💧 None 💨 12 mph H 80%30.09 inHg

Sunday

2:00 AM

Mostly cloudy night

69° 💧 None 💨 13 mph H 85%30.09 inHg

5:00 AM

Overcast night

68° 💧 None 💨 15 mph H 88%30.03 inHg

8:00 AM

Partly cloudy

70° 💧 None 💨 15 mph H 90%30.03 inHg

11:00 AM

Overcast

71° 💧 None 💨 12 mph H 90%30.00 inHg

2:00 PM

Partly cloudy

72° 💧 None 💨 11 mph H 90%29.94 inHg

5:00 PM

Mostly cloudy

74° 💧 None 💨 14 mph H 88%29.91 inHg

8:00 PM

Mostly clear night

72° 💧 None 💨 12 mph H 95%29.94 inHg

11:00 PM

Mostly clear night

71° 💧 None 💨 12 mph H 95%29.97 inHg

Monday

2:00 AM

Partly cloudy night

71° 💧 None 💨 11 mph H 94%29.97 inHg

5:00 AM

Mostly cloudy night

70° 💧 None 💨 11 mph H 91%29.97 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 9 mph H 91%30.03 inHg

11:00 AM

Sunny

69° 💧 None 💨 7 mph H 87%30.09 inHg

2:00 PM

Overcast

69° 💧 None 💨 6 mph H 80%30.09 inHg

8:00 PM

Mostly cloudy night

68° 💧 None 💨 4 mph H 88%30.12 inHg

Tuesday

2:00 AM

Clear night

68° 💧 None 💨 8 mph H 82%30.15 inHg

8:00 AM

Mostly cloudy

69° 💧 None 💨 10 mph H 87%30.18 inHg

2:00 PM

Mostly cloudy

71° 💧 None 💨 12 mph H 88%30.18 inHg

8:00 PM

Mostly cloudy night

74° 💧 None 💨 16 mph H 89%30.15 inHg

Wednesday

2:00 AM

Overcast night

74° 💧 None 💨 18 mph H 94%30.09 inHg

8:00 AM

Partly cloudy

74° 💧 None 💨 21 mph H 94%30.03 inHg

2:00 PM

Overcast

74° 💧 None 💨 18 mph H 94%30.00 inHg

8:00 PM

Partly cloudy night

77° 💧 None 💨 17 mph H 84%29.97 inHg

Thursday

2:00 AM

Clear night

74° 💧 None 💨 13 mph H 82%30.00 inHg

8:00 AM

Sunny

67° 💧 None 💨 19 mph H 72%30.12 inHg

2:00 PM

Sunny

64° 💧 None 💨 16 mph H 64%30.21 inHg

8:00 PM

Mostly clear night

63° 💧 None 💨 11 mph H 66%30.21 inHg

Friday

2:00 AM

Clear night

63° 💧 None 💨 4 mph H 68%30.18 inHg

8:00 AM

Sunny

64° 💧 None 💨 8 mph H 74%30.15 inHg

2:00 PM

Mostly sunny

66° 💧 None 💨 9 mph H 82%30.12 inHg

8:00 PM

Mostly cloudy night

68° 💧 None 💨 5 mph H 77%30.03 inHg

Saturday

2:00 AM

Overcast night

69° 💧 None 💨 10 mph H 82%30.00 inHg

8:00 AM

Sunny

66° 💧 None 💨 9 mph H 82%30.00 inHg

2:00 PM

Sunny

65° 💧 None 💨 16 mph H 78%30.09 inHg

8:00 PM

Partly cloudy night

62° 💧 None 💨 18 mph H 79%30.18 inHg

Sunday

2:00 AM

Partly cloudy night

61° 💧 None 💨 16 mph H 63%30.24 inHg

8:00 AM

Sunny

61° 💧 None 💨 15 mph H 63%30.30 inHg

2:00 PM

Partly cloudy

62° 💧 None 💨 12 mph H 70%30.33 inHg

8:00 PM

Partly cloudy night

65° 💧 None 💨 15 mph H 75%30.27 inHg

Monday

2:00 AM

Overcast night

68° 💧 None 💨 12 mph H 85%30.18 inHg

8:00 AM

Overcast

71° 💧 None 💨 16 mph H 93%30.06 inHg

2:00 PM

Overcast

71° 💧 None 💨 14 mph H 96%30.06 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 9 mph H 89%30.03 inHg

Tuesday

2:00 AM

Light rain

70° 💧 None 💨 4 mph H 97%30.03 inHg

8:00 AM

Light rain

64° 💧 None 💨 21 mph H 79%30.12 inHg

2:00 PM

Mostly cloudy

63° 💧 None 💨 18 mph H 74%30.24 inHg

8:00 PM

Mostly clear night

63° 💧 None 💨 14 mph H 71%30.27 inHg

Wednesday

2:00 AM

Clear night

62° 💧 None 💨 11 mph H 70%30.27 inHg

8:00 AM

Sunny

62° 💧 None 💨 7 mph H 63%30.27 inHg

2:00 PM

Mostly sunny

63° 💧 None 💨 8 mph H 60%30.30 inHg

In East Harwich and, more broadly, across the state of Massachusetts: The evening will be mostly cloudy with mild temperatures ranging from 69 to 74 degrees Fahrenheit. Winds will be light from the southeast at around 3 mph, with occasional gusts reaching up to 8 mph. No precipitation is expected during the night, so the weather will remain dry and calm. Temperatures are likely to remain steady through the early hours, providing a comfortable night for outdoor activities or rest. Overall, it will be a mild and tranquil evening with no significant weather concerns.

15-Day Weather Outlook for East Harwich

TomorrowTomorrow

Overcast 76°/71° 💧 None 💨 26 mph

Friday, Sep 11Fri Sep 11

Overcast 73°/66° 💧 0.020 in 💨 14 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 70°/66° 💧 None 💨 12 mph

Sunday, Sep 13Sun Sep 13

Overcast 74°/68° 💧 0.041 in 💨 15 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 72°/68° 💧 None 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Mostly cloudy 71°/68° 💧 0.161 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 74°/74° 💧 0.009 in 💨 21 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 77°/64° 💧 0.176 in 💨 19 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 66°/63° 💧 None 💨 11 mph

Saturday, Sep 19Sat Sep 19

Mostly cloudy 69°/65° 💧 None 💨 16 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 62°/61° 💧 None 💨 18 mph

Monday, Sep 21Mon Sep 21

Overcast 71°/65° 💧 0.004 in 💨 16 mph

Tuesday, Sep 22Tue Sep 22

Light rain 73°/63° 💧 0.995 in 💨 21 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 63°/62° 💧 None 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in East Harwich

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for East Harwich

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 1:00 AM

PM2.5 Fine particles Good 6,3µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 8,8µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Moderate 112,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,4µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in East Harwich

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,7Moderate 😐Moderate

Tomorrow UV 6,7High 😐Moderate

Friday UV 6,4High 😐Moderate

Saturday UV 6,3High 😐Moderate

Sunday UV 6,0High —Unavailable

Monday UV 5,0Moderate —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,1 8:00 AMUV 0,5 9:00 AMUV 1,4 10:00 AMUV 2,8 11:00 AMUV 4,8 12:00 PMUV 5,5 1:00 PMUV 5,7 2:00 PMUV 5,4 3:00 PMUV 3,6 4:00 PMUV 2,0 5:00 PMUV 0,6 6:00 PMUV 0,1

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for East Harwich

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · EAST HARWICH, MASSACHUSETTS

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

36/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 88% Real hourly forecast for the best viewing hour.

☾ Moonlight 7% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 83° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for East Harwich were last refreshed today at 12:08 AM. The current forecast period extends through 10/09/2026 at 10:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.