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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 · 3:36 PM

East Dennis Weather & Hourly Forecast

United States · Massachusetts · 02660

71°F

Sunny

Feels like: 70°F

💧 Humidity 57% 🌡 Pressure 29.94 inHg 💨 Wind 5 mph 👁 Visibility 27.1 mi ☁ Clouds 5% ☀️ UV index 3.9 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for East Dennis

Today

4:00 PM

Sunny

71° 💧 None 💨 5 mph H 57%29.94 inHg

7:00 PM

Clear night

68° 💧 None 💨 6 mph H 75%29.94 inHg

10:00 PM

Clear night

65° 💧 None 💨 6 mph H 79%30.00 inHg

Tomorrow

1:00 AM

Clear night

64° 💧 None 💨 6 mph H 77%30.06 inHg

4:00 AM

Clear night

62° 💧 None 💨 6 mph H 75%30.09 inHg

7:00 AM

Sunny

62° 💧 None 💨 5 mph H 77%30.12 inHg

10:00 AM

Sunny

68° 💧 None 💨 4 mph H 56%30.15 inHg

1:00 PM

Partly cloudy

71° 💧 None 💨 7 mph H 57%30.15 inHg

4:00 PM

Overcast

69° 💧 None 💨 8 mph H 62%30.12 inHg

7:00 PM

Overcast night

66° 💧 None 💨 7 mph H 78%30.12 inHg

10:00 PM

Partly cloudy night

65° 💧 None 💨 7 mph H 86%30.12 inHg

Sunday

1:00 AM

Mostly cloudy night

67° 💧 None 💨 9 mph H 84%30.09 inHg

4:00 AM

Mostly clear night

68° 💧 None 💨 12 mph H 80%30.03 inHg

7:00 AM

Overcast

69° 💧 0.008 in 💨 10 mph H 84%30.00 inHg

10:00 AM

Light rain

71° 💧 0.164 in 💨 12 mph H 92%29.97 inHg

1:00 PM

Moderate rain

71° 💧 0.372 in 💨 12 mph H 98%29.91 inHg

Today

4:00 PM

Sunny

71° 💧 None 💨 5 mph H 57%29.94 inHg

5:00 PM

Sunny

70° 💧 None 💨 8 mph H 62%29.91 inHg

6:00 PM

Sunny

69° 💧 None 💨 8 mph H 68%29.94 inHg

7:00 PM

Clear night

68° 💧 None 💨 6 mph H 75%29.94 inHg

8:00 PM

Clear night

67° 💧 None 💨 5 mph H 77%29.97 inHg

9:00 PM

Clear night

66° 💧 None 💨 6 mph H 81%30.00 inHg

10:00 PM

Clear night

65° 💧 None 💨 6 mph H 79%30.00 inHg

11:00 PM

Clear night

65° 💧 None 💨 6 mph H 79%30.00 inHg

Tomorrow

12:00 AM

Clear night

64° 💧 None 💨 5 mph H 79%30.03 inHg

1:00 AM

Clear night

64° 💧 None 💨 6 mph H 77%30.06 inHg

2:00 AM

Clear night

63° 💧 None 💨 7 mph H 77%30.06 inHg

3:00 AM

Clear night

63° 💧 None 💨 7 mph H 71%30.06 inHg

4:00 AM

Clear night

62° 💧 None 💨 6 mph H 75%30.09 inHg

5:00 AM

Clear night

61° 💧 None 💨 6 mph H 76%30.09 inHg

6:00 AM

Clear night

61° 💧 None 💨 6 mph H 77%30.12 inHg

7:00 AM

Sunny

62° 💧 None 💨 5 mph H 77%30.12 inHg

8:00 AM

Sunny

65° 💧 None 💨 5 mph H 67%30.12 inHg

9:00 AM

Sunny

67° 💧 None 💨 4 mph H 61%30.15 inHg

10:00 AM

Sunny

68° 💧 None 💨 4 mph H 56%30.15 inHg

11:00 AM

Sunny

70° 💧 None 💨 5 mph H 55%30.15 inHg

12:00 PM

Sunny

70° 💧 None 💨 6 mph H 57%30.15 inHg

1:00 PM

Partly cloudy

71° 💧 None 💨 7 mph H 57%30.15 inHg

2:00 PM

Mostly cloudy

71° 💧 None 💨 7 mph H 57%30.12 inHg

3:00 PM

Overcast

70° 💧 None 💨 8 mph H 59%30.12 inHg

4:00 PM

Overcast

69° 💧 None 💨 8 mph H 62%30.12 inHg

5:00 PM

Overcast

68° 💧 None 💨 8 mph H 67%30.12 inHg

6:00 PM

Overcast

67° 💧 None 💨 7 mph H 73%30.12 inHg

7:00 PM

Overcast night

66° 💧 None 💨 7 mph H 78%30.12 inHg

8:00 PM

Mostly clear night

65° 💧 None 💨 6 mph H 82%30.12 inHg

9:00 PM

Mostly clear night

64° 💧 None 💨 6 mph H 84%30.12 inHg

10:00 PM

Partly cloudy night

65° 💧 None 💨 7 mph H 86%30.12 inHg

11:00 PM

Mostly cloudy night

65° 💧 None 💨 7 mph H 86%30.12 inHg

Sunday

12:00 AM

Mostly cloudy night

66° 💧 None 💨 9 mph H 86%30.09 inHg

1:00 AM

Mostly cloudy night

67° 💧 None 💨 9 mph H 84%30.09 inHg

2:00 AM

Mostly cloudy night

67° 💧 None 💨 10 mph H 83%30.09 inHg

3:00 AM

Mostly clear night

68° 💧 None 💨 12 mph H 81%30.06 inHg

4:00 AM

Mostly clear night

68° 💧 None 💨 12 mph H 80%30.03 inHg

5:00 AM

Overcast night

68° 💧 None 💨 11 mph H 82%30.03 inHg

6:00 AM

Overcast night

68° 💧 None 💨 10 mph H 83%30.00 inHg

7:00 AM

Overcast

69° 💧 None 💨 10 mph H 84%30.00 inHg

8:00 AM

Overcast

70° 💧 None 💨 9 mph H 83%30.00 inHg

9:00 AM

Light rain

71° 💧 0.008 in 💨 11 mph H 84%30.00 inHg

10:00 AM

Light rain

71° 💧 0.041 in 💨 12 mph H 92%29.97 inHg

11:00 AM

Light rain

72° 💧 0.045 in 💨 11 mph H 94%29.97 inHg

12:00 PM

Light rain

72° 💧 0.079 in 💨 10 mph H 97%29.94 inHg

1:00 PM

Moderate rain

71° 💧 0.111 in 💨 12 mph H 98%29.91 inHg

2:00 PM

Moderate rain

71° 💧 0.115 in 💨 12 mph H 98%29.88 inHg

3:00 PM

Moderate rain

71° 💧 0.146 in 💨 11 mph H 98%29.88 inHg

4:00 PM

Moderate rain

71° 💧 0.130 in 💨 10 mph H 98%29.85 inHg

5:00 PM

Light rain

71° 💧 0.035 in 💨 9 mph H 98%29.83 inHg

6:00 PM

Overcast

71° 💧 0.001 in 💨 10 mph H 98%29.83 inHg

7:00 PM

Overcast night

71° 💧 None 💨 9 mph H 99%29.83 inHg

8:00 PM

Overcast night

71° 💧 None 💨 8 mph H 99%29.85 inHg

9:00 PM

Overcast night

71° 💧 None 💨 9 mph H 99%29.88 inHg

10:00 PM

Mostly cloudy night

71° 💧 None 💨 8 mph H 98%29.85 inHg

11:00 PM

Mostly clear night

71° 💧 None 💨 9 mph H 99%29.85 inHg

Monday

12:00 AM

Partly cloudy night

71° 💧 None 💨 9 mph H 99%29.83 inHg

1:00 AM

Mostly cloudy night

70° 💧 None 💨 8 mph H 99%29.83 inHg

2:00 AM

Mostly cloudy night

70° 💧 None 💨 7 mph H 99%29.83 inHg

3:00 AM

Mostly clear night

70° 💧 None 💨 7 mph H 99%29.83 inHg

4:00 AM

Clear night

70° 💧 None 💨 8 mph H 98%29.83 inHg

5:00 AM

Clear night

69° 💧 None 💨 8 mph H 98%29.83 inHg

6:00 AM

Partly cloudy night

68° 💧 None 💨 9 mph H 96%29.85 inHg

7:00 AM

Mostly cloudy

67° 💧 None 💨 9 mph H 94%29.88 inHg

8:00 AM

Overcast

68° 💧 None 💨 9 mph H 92%29.88 inHg

11:00 AM

Overcast

67° 💧 None 💨 8 mph H 88%29.91 inHg

2:00 PM

Sunny

70° 💧 None 💨 11 mph H 73%29.91 inHg

5:00 PM

Sunny

70° 💧 None 💨 9 mph H 72%29.94 inHg

8:00 PM

Mostly clear night

67° 💧 None 💨 12 mph H 73%30.06 inHg

11:00 PM

Clear night

66° 💧 None 💨 18 mph H 64%30.15 inHg

Tuesday

2:00 AM

Clear night

64° 💧 None 💨 16 mph H 68%30.18 inHg

5:00 AM

Clear night

62° 💧 None 💨 14 mph H 69%30.21 inHg

8:00 AM

Sunny

63° 💧 None 💨 12 mph H 66%30.30 inHg

11:00 AM

Sunny

64° 💧 None 💨 13 mph H 66%30.33 inHg

2:00 PM

Mostly sunny

63° 💧 None 💨 12 mph H 69%30.33 inHg

5:00 PM

Sunny

63° 💧 None 💨 9 mph H 71%30.33 inHg

8:00 PM

Clear night

60° 💧 None 💨 7 mph H 78%30.33 inHg

11:00 PM

Clear night

59° 💧 None 💨 6 mph H 81%30.33 inHg

Wednesday

2:00 AM

Clear night

59° 💧 None 💨 5 mph H 82%30.30 inHg

5:00 AM

Clear night

59° 💧 None 💨 5 mph H 84%30.30 inHg

8:00 AM

Sunny

62° 💧 None 💨 5 mph H 79%30.33 inHg

11:00 AM

Sunny

66° 💧 None 💨 5 mph H 69%30.33 inHg

2:00 PM

Mostly sunny

67° 💧 None 💨 6 mph H 69%30.30 inHg

5:00 PM

Sunny

66° 💧 None 💨 7 mph H 68%30.24 inHg

8:00 PM

Clear night

62° 💧 None 💨 5 mph H 82%30.24 inHg

11:00 PM

Clear night

62° 💧 None 💨 4 mph H 83%30.24 inHg

Thursday

2:00 AM

Clear night

61° 💧 None 💨 5 mph H 87%30.21 inHg

8:00 AM

Partly cloudy

63° 💧 None 💨 6 mph H 84%30.21 inHg

2:00 PM

Mostly sunny

68° 💧 None 💨 8 mph H 82%30.18 inHg

8:00 PM

Partly cloudy night

76° 💧 None 💨 15 mph H 66%30.06 inHg

Friday

2:00 AM

Mostly cloudy night

71° 💧 None 💨 8 mph H 88%30.03 inHg

8:00 AM

Sunny

68° 💧 None 💨 13 mph H 88%30.09 inHg

2:00 PM

Mostly sunny

64° 💧 None 💨 13 mph H 85%30.15 inHg

8:00 PM

Clear night

65° 💧 None 💨 11 mph H 69%30.15 inHg

Saturday

2:00 AM

Clear night

61° 💧 None 💨 5 mph H 81%30.12 inHg

8:00 AM

Mostly sunny

62° 💧 None 💨 1 mph H 81%30.12 inHg

2:00 PM

Mostly sunny

64° 💧 None 💨 3 mph H 74%30.09 inHg

8:00 PM

Partly cloudy night

70° 💧 None 💨 11 mph H 53%30.00 inHg

Sunday

2:00 AM

Overcast night

65° 💧 None 💨 10 mph H 64%29.94 inHg

8:00 AM

Overcast

65° 💧 None 💨 10 mph H 70%29.85 inHg

2:00 PM

Overcast

65° 💧 None 💨 12 mph H 66%29.74 inHg

8:00 PM

Light rain

65° 💧 None 💨 10 mph H 85%29.59 inHg

Monday

2:00 AM

Mostly cloudy night

65° 💧 None 💨 12 mph H 88%29.59 inHg

8:00 AM

Mostly sunny

61° 💧 None 💨 9 mph H 95%29.68 inHg

2:00 PM

Mostly sunny

61° 💧 None 💨 15 mph H 74%29.74 inHg

8:00 PM

Mostly clear night

65° 💧 None 💨 15 mph H 49%29.80 inHg

Tuesday

2:00 AM

Clear night

61° 💧 None 💨 18 mph H 52%29.91 inHg

8:00 AM

Mostly sunny

54° 💧 None 💨 17 mph H 58%30.06 inHg

2:00 PM

Sunny

52° 💧 None 💨 16 mph H 58%30.15 inHg

8:00 PM

Mostly clear night

61° 💧 None 💨 12 mph H 42%30.12 inHg

Wednesday

2:00 AM

Clear night

61° 💧 None 💨 11 mph H 47%30.18 inHg

8:00 AM

Sunny

57° 💧 None 💨 10 mph H 59%30.24 inHg

2:00 PM

Sunny

56° 💧 None 💨 9 mph H 68%30.30 inHg

8:00 PM

Partly cloudy night

62° 💧 None 💨 7 mph H 42%30.30 inHg

Thursday

2:00 AM

Clear night

59° 💧 None 💨 6 mph H 60%30.33 inHg

8:00 AM

Sunny

56° 💧 None 💨 5 mph H 83%30.36 inHg

2:00 PM

Sunny

57° 💧 None 💨 3 mph H 80%30.39 inHg

8:00 PM

Mostly clear night

69° 💧 None 💨 2 mph H 50%30.39 inHg

Friday

2:00 AM

Partly cloudy night

62° 💧 None 💨 9 mph H 70%30.39 inHg

8:00 AM

Sunny

58° 💧 None 💨 6 mph H 72%30.39 inHg

2:00 PM

Sunny

63° 💧 None 💨 7 mph H 77%30.39 inHg

8:00 PM

Clear night

70° 💧 None 💨 12 mph H 54%30.27 inHg

Saturday

2:00 AM

Clear night

64° 💧 None 💨 9 mph H 79%30.24 inHg

In East Dennis and, more broadly, across the state of Massachusetts: As the afternoon winds down, the sky remains mostly sunny with only a few clouds drifting by. Temperatures are comfortably mild to warm, ranging from the mid-60s to the upper 70s. Light northwest winds will continue, blowing at around 8 mph, with occasional gusts reaching up to 11 mph. As evening approaches, conditions are expected to stay dry, with no precipitation in the forecast. The gentle breeze and clear skies should make for a pleasant evening, with temperatures gradually cooling but remaining comfortable through the night. Overall, it looks like a calm and mild end to the day.

15-Day Weather Outlook for East Dennis

TomorrowTomorrow

Mostly cloudy 71°/61° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Light thunderstorms 74°/65° 💧 None 💨 15 mph

Monday, Sep 14Mon Sep 14

Light rain 72°/67° 💧 0.985 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 67°/62° 💧 None 💨 18 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 67°/59° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 68°/61° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Mostly cloudy 76°/64° 💧 0.011 in 💨 15 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 65°/61° 💧 None 💨 11 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 70°/65° 💧 0.017 in 💨 12 mph

Monday, Sep 21Mon Sep 21

Light rain 65°/61° 💧 0.107 in 💨 15 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 65°/52° 💧 None 💨 18 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 61°/56° 💧 0.001 in 💨 12 mph

Thursday, Sep 24Thu Sep 24

Partly cloudy 62°/56° 💧 None 💨 7 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 69°/58° 💧 None 💨 9 mph

Saturday, Sep 26Sat Sep 26

Sunny 70°/64° 💧 None 💨 12 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 4:00 PM

PM2.5 Fine particles Good 4,3µg/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 5,4µg/m³

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

O₃ Ozone Fair 98,7µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/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 6,3High 😐Moderate

Sunday UV 2,5Low 😐Moderate

Monday UV 5,8Moderate 😐Moderate

Tuesday UV 5,0Moderate 🙂Fair

Wednesday UV 6,0High —Unavailable

Thursday UV 6,0High —Unavailable

Hourly UV index today

4:00 PMUV 2,3 5:00 PMUV 1,0 6:00 PMUV 0,2 7:00 PMUV 0,0

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: 4:00 AM–5:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:32 PM–4:42 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 85° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min81%

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 3:36 PM. The current forecast period extends through 13/09/2026 at 1:00 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.