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Current weather in East Dennis is clear sky.

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

Is the weather forecast for East Dennis updated regularly?

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

Now · 10:03 PM

East Dennis Weather & Hourly Forecast

United States · Massachusetts · 02660

65°F

Clear night

Feels like: 64°F

💧 Humidity 81% 🌡 Pressure 30.12 inHg 💨 Wind 6 mph 👁 Visibility 22.0 mi ☁ Clouds 2% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for East Dennis

Today

11:00 PM

Clear night

65° 💧 None 💨 7 mph H 74%30.12 inHg

Tomorrow

2:00 AM

Clear night

63° 💧 None 💨 6 mph H 76%30.12 inHg

5:00 AM

Overcast night

61° 💧 None 💨 6 mph H 77%30.12 inHg

8:00 AM

Mostly sunny

65° 💧 None 💨 7 mph H 70%30.18 inHg

11:00 AM

Mostly cloudy

72° 💧 None 💨 6 mph H 61%30.18 inHg

2:00 PM

Sunny

74° 💧 None 💨 6 mph H 54%30.18 inHg

5:00 PM

Mostly sunny

72° 💧 None 💨 3 mph H 61%30.18 inHg

8:00 PM

Clear night

65° 💧 None 💨 5 mph H 84%30.21 inHg

11:00 PM

Overcast night

65° 💧 None 💨 6 mph H 87%30.24 inHg

Wednesday

2:00 AM

Mostly cloudy night

66° 💧 None 💨 6 mph H 92%30.21 inHg

5:00 AM

Overcast night

67° 💧 None 💨 5 mph H 93%30.21 inHg

8:00 AM

Overcast

70° 💧 None 💨 6 mph H 88%30.24 inHg

11:00 AM

Overcast

75° 💧 0.003 in 💨 8 mph H 75%30.21 inHg

2:00 PM

Overcast

74° 💧 None 💨 13 mph H 75%30.18 inHg

5:00 PM

Overcast

73° 💧 None 💨 13 mph H 84%30.12 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 15 mph H 86%30.06 inHg

Today

11:00 PM

Clear night

65° 💧 None 💨 7 mph H 74%30.12 inHg

Tomorrow

12:00 AM

Clear night

65° 💧 None 💨 8 mph H 70%30.12 inHg

1:00 AM

Clear night

65° 💧 None 💨 7 mph H 73%30.12 inHg

2:00 AM

Clear night

63° 💧 None 💨 6 mph H 76%30.12 inHg

3:00 AM

Mostly cloudy night

63° 💧 None 💨 7 mph H 76%30.12 inHg

4:00 AM

Partly cloudy night

62° 💧 None 💨 6 mph H 77%30.12 inHg

5:00 AM

Overcast night

61° 💧 None 💨 6 mph H 77%30.12 inHg

6:00 AM

Overcast night

62° 💧 None 💨 7 mph H 76%30.15 inHg

7:00 AM

Overcast

62° 💧 None 💨 7 mph H 74%30.15 inHg

8:00 AM

Mostly sunny

65° 💧 None 💨 7 mph H 70%30.18 inHg

9:00 AM

Mostly cloudy

69° 💧 None 💨 6 mph H 65%30.18 inHg

10:00 AM

Mostly cloudy

72° 💧 None 💨 7 mph H 61%30.18 inHg

11:00 AM

Mostly cloudy

72° 💧 None 💨 6 mph H 61%30.18 inHg

12:00 PM

Mostly sunny

75° 💧 None 💨 7 mph H 54%30.18 inHg

1:00 PM

Sunny

74° 💧 None 💨 7 mph H 53%30.18 inHg

2:00 PM

Sunny

74° 💧 None 💨 6 mph H 54%30.18 inHg

3:00 PM

Sunny

73° 💧 None 💨 4 mph H 56%30.18 inHg

4:00 PM

Sunny

73° 💧 None 💨 3 mph H 58%30.18 inHg

5:00 PM

Mostly sunny

72° 💧 None 💨 3 mph H 61%30.18 inHg

6:00 PM

Sunny

70° 💧 None 💨 4 mph H 68%30.18 inHg

7:00 PM

Sunny

67° 💧 None 💨 4 mph H 80%30.21 inHg

8:00 PM

Clear night

65° 💧 None 💨 5 mph H 84%30.21 inHg

9:00 PM

Mostly cloudy night

65° 💧 None 💨 6 mph H 84%30.21 inHg

10:00 PM

Mostly cloudy night

65° 💧 None 💨 7 mph H 84%30.24 inHg

11:00 PM

Overcast night

65° 💧 None 💨 6 mph H 87%30.24 inHg

Wednesday

12:00 AM

Overcast night

66° 💧 None 💨 6 mph H 89%30.24 inHg

1:00 AM

Overcast night

66° 💧 None 💨 7 mph H 91%30.24 inHg

2:00 AM

Mostly cloudy night

66° 💧 None 💨 6 mph H 92%30.21 inHg

3:00 AM

Overcast night

66° 💧 None 💨 6 mph H 93%30.21 inHg

4:00 AM

Overcast night

67° 💧 None 💨 6 mph H 92%30.21 inHg

5:00 AM

Overcast night

67° 💧 None 💨 5 mph H 93%30.21 inHg

6:00 AM

Overcast night

67° 💧 None 💨 5 mph H 94%30.21 inHg

7:00 AM

Overcast

68° 💧 None 💨 6 mph H 94%30.24 inHg

8:00 AM

Overcast

70° 💧 None 💨 6 mph H 88%30.24 inHg

9:00 AM

Mostly cloudy

72° 💧 None 💨 7 mph H 82%30.24 inHg

10:00 AM

Overcast

74° 💧 None 💨 7 mph H 77%30.24 inHg

11:00 AM

Overcast

75° 💧 None 💨 8 mph H 75%30.21 inHg

12:00 PM

Overcast

74° 💧 0.002 in 💨 10 mph H 77%30.21 inHg

1:00 PM

Overcast

74° 💧 0.001 in 💨 10 mph H 80%30.18 inHg

2:00 PM

Overcast

74° 💧 None 💨 13 mph H 75%30.18 inHg

3:00 PM

Overcast

74° 💧 None 💨 13 mph H 76%30.15 inHg

4:00 PM

Overcast

73° 💧 None 💨 13 mph H 78%30.12 inHg

5:00 PM

Overcast

73° 💧 None 💨 13 mph H 84%30.12 inHg

6:00 PM

Overcast

72° 💧 None 💨 14 mph H 86%30.09 inHg

7:00 PM

Mostly cloudy

72° 💧 None 💨 14 mph H 87%30.06 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 15 mph H 86%30.06 inHg

9:00 PM

Mostly clear night

72° 💧 None 💨 15 mph H 85%30.06 inHg

10:00 PM

Clear night

72° 💧 None 💨 16 mph H 84%30.03 inHg

11:00 PM

Clear night

72° 💧 None 💨 17 mph H 82%30.00 inHg

Thursday

12:00 AM

Mostly clear night

72° 💧 None 💨 18 mph H 82%30.00 inHg

1:00 AM

Mostly clear night

72° 💧 None 💨 18 mph H 83%29.97 inHg

2:00 AM

Clear night

71° 💧 None 💨 18 mph H 83%29.94 inHg

3:00 AM

Clear night

71° 💧 None 💨 18 mph H 84%29.91 inHg

4:00 AM

Mostly clear night

71° 💧 None 💨 18 mph H 84%29.91 inHg

5:00 AM

Mostly clear night

72° 💧 None 💨 18 mph H 82%29.88 inHg

6:00 AM

Partly cloudy night

72° 💧 None 💨 18 mph H 82%29.88 inHg

7:00 AM

Mostly sunny

72° 💧 None 💨 18 mph H 84%29.88 inHg

8:00 AM

Mostly cloudy

74° 💧 None 💨 16 mph H 84%29.88 inHg

5:00 PM

Mostly cloudy

77° 💧 None 💨 12 mph H 76%29.77 inHg

8:00 PM

Overcast night

73° 💧 None 💨 9 mph H 85%29.80 inHg

11:00 PM

Overcast night

72° 💧 None 💨 7 mph H 79%29.80 inHg

Friday

2:00 AM

Moderate rain

69° 💧 None 💨 6 mph H 74%29.80 inHg

5:00 AM

Overcast night

67° 💧 None 💨 6 mph H 82%29.80 inHg

8:00 AM

Sunny

68° 💧 None 💨 8 mph H 77%29.85 inHg

11:00 AM

Sunny

69° 💧 None 💨 12 mph H 70%29.91 inHg

2:00 PM

Sunny

70° 💧 None 💨 8 mph H 64%29.88 inHg

5:00 PM

Mostly sunny

70° 💧 None 💨 5 mph H 63%29.91 inHg

8:00 PM

Clear night

68° 💧 None 💨 2 mph H 70%29.97 inHg

11:00 PM

Clear night

66° 💧 None 💨 1 mph H 73%30.03 inHg

Saturday

2:00 AM

Clear night

65° 💧 None 💨 7 mph H 69%30.09 inHg

5:00 AM

Clear night

63° 💧 None 💨 7 mph H 76%30.12 inHg

8:00 AM

Mostly sunny

65° 💧 None 💨 7 mph H 71%30.15 inHg

11:00 AM

Sunny

69° 💧 None 💨 7 mph H 61%30.21 inHg

2:00 PM

Sunny

70° 💧 None 💨 7 mph H 61%30.21 inHg

5:00 PM

Mostly sunny

68° 💧 None 💨 8 mph H 67%30.21 inHg

8:00 PM

Mostly cloudy night

65° 💧 None 💨 7 mph H 86%30.21 inHg

11:00 PM

Mostly clear night

64° 💧 None 💨 7 mph H 86%30.24 inHg

Sunday

2:00 AM

Clear night

65° 💧 None 💨 7 mph H 86%30.24 inHg

5:00 AM

Clear night

65° 💧 None 💨 7 mph H 87%30.21 inHg

8:00 AM

Sunny

69° 💧 None 💨 8 mph H 79%30.24 inHg

11:00 AM

Partly cloudy

73° 💧 None 💨 13 mph H 66%30.21 inHg

2:00 PM

Mostly sunny

74° 💧 None 💨 14 mph H 67%30.18 inHg

8:00 PM

Light rain

67° 💧 None 💨 8 mph H 93%30.18 inHg

Monday

2:00 AM

Clear night

67° 💧 None 💨 9 mph H 84%30.12 inHg

8:00 AM

Mostly sunny

67° 💧 None 💨 8 mph H 90%30.12 inHg

2:00 PM

Overcast

69° 💧 None 💨 7 mph H 93%30.15 inHg

8:00 PM

Overcast night

71° 💧 None 💨 4 mph H 84%30.18 inHg

Tuesday

2:00 AM

Mostly clear night

66° 💧 None 💨 6 mph H 88%30.21 inHg

8:00 AM

Mostly sunny

65° 💧 None 💨 5 mph H 87%30.27 inHg

2:00 PM

Sunny

68° 💧 None 💨 6 mph H 81%30.30 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 12 mph H 57%30.27 inHg

Wednesday

2:00 AM

Mostly cloudy night

67° 💧 None 💨 8 mph H 87%30.24 inHg

8:00 AM

Overcast

71° 💧 None 💨 10 mph H 88%30.18 inHg

2:00 PM

Overcast

74° 💧 None 💨 12 mph H 86%30.15 inHg

8:00 PM

Light rain

78° 💧 None 💨 15 mph H 78%30.09 inHg

Thursday

2:00 AM

Heavy rain

66° 💧 None 💨 11 mph H 92%30.09 inHg

8:00 AM

Overcast

66° 💧 None 💨 11 mph H 94%30.09 inHg

2:00 PM

Sunny

64° 💧 None 💨 17 mph H 79%30.21 inHg

8:00 PM

Clear night

65° 💧 None 💨 16 mph H 68%30.24 inHg

Friday

2:00 AM

Clear night

61° 💧 None 💨 6 mph H 70%30.24 inHg

8:00 AM

Mostly cloudy

59° 💧 None 💨 4 mph H 86%30.21 inHg

2:00 PM

Mostly cloudy

62° 💧 None 💨 3 mph H 79%30.15 inHg

8:00 PM

Overcast night

67° 💧 None 💨 11 mph H 68%30.06 inHg

Saturday

2:00 AM

Mostly clear night

65° 💧 None 💨 9 mph H 78%29.94 inHg

8:00 AM

Mostly sunny

64° 💧 None 💨 9 mph H 79%29.85 inHg

2:00 PM

Mostly sunny

64° 💧 None 💨 11 mph H 82%29.83 inHg

8:00 PM

Clear night

63° 💧 None 💨 13 mph H 60%29.88 inHg

Sunday

2:00 AM

Partly cloudy night

63° 💧 None 💨 13 mph H 53%29.94 inHg

8:00 AM

Sunny

58° 💧 None 💨 9 mph H 58%30.00 inHg

2:00 PM

Sunny

58° 💧 None 💨 5 mph H 58%30.06 inHg

8:00 PM

Mostly clear night

61° 💧 None 💨 6 mph H 58%30.03 inHg

Monday

2:00 AM

Clear night

59° 💧 None 💨 7 mph H 71%30.03 inHg

8:00 AM

Sunny

57° 💧 None 💨 5 mph H 81%30.03 inHg

2:00 PM

Partly cloudy

62° 💧 None 💨 6 mph H 80%30.06 inHg

8:00 PM

Light rain

65° 💧 None 💨 5 mph H 82%30.03 inHg

Tuesday

2:00 AM

Clear night

62° 💧 None 💨 3 mph H 83%30.09 inHg

8:00 AM

Sunny

60° 💧 None 💨 13 mph H 67%30.21 inHg

2:00 PM

Sunny

60° 💧 None 💨 9 mph H 66%30.30 inHg

In East Dennis and, more broadly, across the state of Massachusetts: The evening will be mostly clear with just a few clouds passing through. Temperatures will stay mild, ranging from 69 to 74 degrees Fahrenheit. Light northwest winds will blow at around 6 mph, with occasional gusts reaching up to 18 mph. No rain is expected during the night or in the early morning hours. Conditions will be calm and comfortable, making it a pleasant evening to be outdoors. The wind may bring a slight breeze, but it’s unlikely to cause any issues. Temperatures will gradually remain steady, providing a mild and clear night ahead.

15-Day Weather Outlook for East Dennis

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 75°/65° 💧 None 💨 14 mph

Thursday, Sep 10Thu Sep 10

Mostly cloudy 77°/71° 💧 0.119 in 💨 18 mph

Friday, Sep 11Fri Sep 11

Moderate rain 73°/67° 💧 0.045 in 💨 12 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 70°/63° 💧 None 💨 8 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 74°/64° 💧 None 💨 14 mph

Monday, Sep 14Mon Sep 14

Light rain 69°/67° 💧 0.104 in 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Overcast 71°/65° 💧 0.000 in 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Overcast 74°/67° 💧 0.003 in 💨 12 mph

Thursday, Sep 17Thu Sep 17

Heavy rain 78°/64° 💧 1.233 in 💨 17 mph

Friday, Sep 18Fri Sep 18

Mostly cloudy 65°/59° 💧 None 💨 16 mph

Saturday, Sep 19Sat Sep 19

Overcast 67°/64° 💧 0.047 in 💨 11 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 63°/58° 💧 0.002 in 💨 13 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 62°/57° 💧 None 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Light rain 65°/60° 💧 0.105 in 💨 13 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in East Dennis

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for East Dennis

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 11:00 PM

PM2.5 Fine particles Good 1,6µg/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 3,2µg/m³

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

O₃ Ozone Fair 86,0µg/m³

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

NO₂ Nitrogen dioxide Good 2,1µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in East Dennis

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 6,1High 🙂Fair

Tomorrow UV 5,7Moderate 😐Moderate

Wednesday UV 5,6Moderate 😐Moderate

Thursday UV 6,5High 😐Moderate

Friday UV 6,2High 🙂Fair

Saturday UV 6,0High —Unavailable

Sunday UV 6,0High —Unavailable

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged 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 Dennis

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · EAST DENNIS, MASSACHUSETTS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:40 PM–4:37 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 14% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 59° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min76%

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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for East Dennis were last refreshed today at 10:03 PM. The current forecast period extends through 09/09/2026 at 8:00 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.