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Hazardous Weather Conditions

No active alerts for DENNIS PORT, MASSACHUSETTS

Current Conditions: DENNIS PORT, MASSACHUSETTS

Clear


28.4 F
Last Updated on Mar 1 2026, 04:35 AM EST
Humidity: 100%
Wind Speed: NW 4.6 mph
Barometer: 29.96 in
Dewpoint: 28.4 F
Visibility: 9.00 mi
Precip: --
Heat Index: NA
Wind Chill: 23.2 F
Current conditions at:

HYANNIS (KHYA)

Lat: 41.67 Lon: -70.28

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5 Day Forecast for DENNIS PORT, MASSACHUSETTS (02639)

Sunday
Chance of Snow
High 37 °F
Sunday
Night
Mostly Cloudy
Low 17 °F
Monday
Mostly Cloudy
High 28 °F
Monday
Night
Mostly Clear
Low 17 °F
Tuesday
Rain Likely
High 41 °F
Tuesday
Night
Rain
Low 35 °F
Wednesday
Partly Sunny
High 42 °F
Wednesday
Night
Chance of Rain
Low 33 °F
Thursday
Chance of Rain
High 44 °F



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Observation History for DENNIS PORT, MASSACHUSETTS


Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
04:35 AM EST NW 4.6 9.00 Clear -- 28.4 28.4 100% 23.2 NA 29.96 1014.6
04:10 AM EST 0.0 6.00 Fog/Mist -- 26.6 24.8 93% NA NA 29.96 1014.6
03:56 AM EST 0.0 7.00 Clear -- NULL 25.0 % NA NA 29.96 1014.6
03:16 AM EST 0.0 6.00 Fog/Mist -- NULL 25.0 % NA NA 29.96 1014.6
03:09 AM EST 0.0 2.00 Fog/Mist -- NULL 25.0 % NA NA 29.96 1014.6
02:48 AM EST 0.0 5.00 Fog/Mist -- NULL 25.0 % NA NA 29.96 1014.6
02:00 AM EST 0.0 4.00 Fog/Mist -- 26.6 26.6 100% NA NA 29.97 1014.9
01:45 AM EST 0.0 0.50 Freezing Fog -- 26.6 26.6 100% NA NA 29.98 1015.2
01:35 AM EST 0.0 0.75 Fog/Mist -- 26.6 26.6 100% NA NA 29.98 1015.2
01:25 AM EST 0.0 5.00 Fog/Mist -- 26.6 26.6 100% NA NA 29.98 1015.2
01:10 AM EST 0.0 5.00 Fog/Mist -- 26.6 26.6 100% NA NA 29.99 1015.6
01:05 AM EST 0.0 5.00 Fog/Mist -- 28.4 26.6 93% NA NA 29.99 1015.6
12:54 AM EST 0.0 4.00 Fog/Mist -- NULL 26.6 % NA NA 29.99 1015.6
12:50 AM EST 0.0 5.00 Fog/Mist -- 26.6 26.6 100% NA NA 29.99 1015.6
12:35 AM EST 0.0 7.00 Clear -- 26.6 26.6 100% NA NA 29.99 1015.6
12:25 AM EST 0.0 6.00 Fog/Mist -- 26.6 26.6 100% NA NA 29.99 1015.6
12:05 AM EST 0.0 7.00 Clear -- 28.4 26.6 93% NA NA 30.00 1015.9
12:00 AM EST 0.0 6.00 Fog/Mist -- 28.4 26.6 93% NA NA 30.00 1015.9
11:45 PM EST 0.0 7.00 Clear -- 28.4 26.6 93% NA NA 30.01 1016.3
11:30 PM EST 0.0 6.00 Fog/Mist -- 28.4 28.4 100% NA NA 30.01 1016.3
11:20 PM EST 0.0 6.00 Fog/Mist -- 28.4 28.4 100% NA NA 30.01 1016.3
11:15 PM EST 0.0 6.00 Fog/Mist -- 30.2 28.4 93% NA NA 30.01 1016.3
11:05 PM EST 0.0 8.00 Clear -- 28.4 28.4 100% NA NA 30.01 1016.3
11:00 PM EST 0.0 7.00 Clear -- 28.4 28.4 100% NA NA 30.01 1016.3

Regional Weather Observation

HYANNIS (KHYA)

Clear
28.4 F

PLYMOUTH (KPYM)

Freezing Fog
24.8 F

CHATHAM (KCQX)

Clear
35.6 F

FALMOUTH/OTIS AB (KFMH)

Shallow Fog
26.6 F

PROVINCETOWN (KPVC)

Clear
37.4 F

NANTUCKET (KACK)

Clear
37.4 F

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