Harwich Weather Forecast 15 Days, Weather in Harwich Today

Current weather conditions and 15 day weather forecast for Harwich, Massachusetts, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Harwich

27 July 2025 Sunday
20.6 ° C / 69.1°F
Overcast
Overcast
Feels Like : 20.6 ° C / 69.1°F
Humidity : % 75
Pressure : 1015 mb
Wind Speed : 27.7 kmph / 17.2 miles from SSWSSW
Visibility : 16 km
Precipitation (rainfall) : 1.37 mm
Cloud (%) : 100

15 day weather forecast for Harwich, MA, USA

Weather Forecast for next 15 Days for Harwich including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Harwich, Massachusetts state, US. To see the daily forecast, scroll to the table below.
Date
27 July 2025 Sunday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature18.7 ° C
(65.7°F)
High temperature21.5 ° C
(70.7°F)
Avg. temperature20.3 ° C
(68.5°F)
Humidity% 82
Chance of rain67%
UV Index0.8
Sun PositionSunrise:05:30 AM
Sunset: 08:03 PM
Moon PositionMoonrise:08:27 AM
Moonset: 09:44 PM
Moon Phase
( Waxing Crescent )
28 July 2025 Monday
Weather forecastFog Fog
Low temperature21.2 ° C
(70.2°F)
High temperature23.4 ° C
(74.1°F)
Avg. temperature22.3 ° C
(72.1°F)
Humidity% 94
Chance of rain0%
UV Index2.3
Sun PositionSunrise:05:31 AM
Sunset: 08:02 PM
Moon PositionMoonrise:09:33 AM
Moonset: 10:03 PM
Moon Phase
( Waxing Crescent )
29 July 2025 Tuesday
Weather forecastOvercast  Overcast
Low temperature21.3 ° C
(70.3°F)
High temperature25.9 ° C
(78.6°F)
Avg. temperature22.6 ° C
(72.7°F)
Humidity% 93
Chance of rain0%
UV Index2.2
Sun PositionSunrise:05:32 AM
Sunset: 08:01 PM
Moon PositionMoonrise:10:36 AM
Moonset: 10:22 PM
Moon Phase
( Waxing Crescent )
30 July 2025 Wednesday
Weather forecastFog Fog
Low temperature20.8 ° C
(69.4°F)
High temperature27.4 ° C
(81.4°F)
Avg. temperature22.9 ° C
(73.3°F)
Humidity% 91
Chance of rain0%
UV Index2.3
Sun PositionSunrise:05:33 AM
Sunset: 08:00 PM
Moon PositionMoonrise:11:39 AM
Moonset: 10:41 PM
Moon Phase
( Waxing Crescent )
31 July 2025 Thursday
Weather forecastModerate rain Moderate rain
Low temperature19.3 ° C
(66.8°F)
High temperature22 ° C
(71.6°F)
Avg. temperature21.1 ° C
(69.9°F)
Humidity% 91
Chance of rain83%
UV Index0.2
Sun PositionSunrise:05:34 AM
Sunset: 07:59 PM
Moon PositionMoonrise:12:41 PM
Moonset: 11:02 PM
Moon Phase
( Waxing Crescent )
01 August 2025 Friday
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature18.7 ° C
(65.7°F)
High temperature20.8 ° C
(69.4°F)
Avg. temperature19.6 ° C
(67.3°F)
Humidity% 76
Chance of rain0%
UV Index5
Sun PositionSunrise:05:35 AM
Sunset: 07:58 PM
Moon PositionMoonrise:01:44 PM
Moonset: 11:27 PM
Moon Phase
( First Quarter )
02 August 2025 Saturday
Weather forecastSunny Sunny
Low temperature18.6 ° C
(65.5°F)
High temperature20.3 ° C
(68.5°F)
Avg. temperature19.4 ° C
(66.9°F)
Humidity% 58
Chance of rain0%
UV Index5
Sun PositionSunrise:05:36 AM
Sunset: 07:56 PM
Moon PositionMoonrise:02:48 PM
Moonset: 11:57 PM
Moon Phase
( Waxing Gibbous )
03 August 2025 Sunday
Weather forecastSunny Sunny
Low temperature17.7 ° C
(63.9°F)
High temperature24.2 ° C
(75.5°F)
Avg. temperature20.9 ° C
(69.7°F)
Humidity% 61
Chance of rain0%
UV Index6
Sun PositionSunrise:05:37 AM
Sunset: 07:55 PM
Moon PositionMoonrise:03:52 PM
Moonset: No moonset
Moon Phase
( Waxing Gibbous )
04 August 2025 Monday
Weather forecastSunny Sunny
Low temperature19.9 ° C
(67.9°F)
High temperature25.3 ° C
(77.5°F)
Avg. temperature22.4 ° C
(72.3°F)
Humidity% 66
Chance of rain0%
UV Index6
Sun PositionSunrise:05:38 AM
Sunset: 07:54 PM
Moon PositionMoonrise:04:53 PM
Moonset: 12:34 AM
Moon Phase
( Waxing Gibbous )
05 August 2025 Tuesday
Weather forecastSunny Sunny
Low temperature20 ° C
(68°F)
High temperature24.1 ° C
(75.3°F)
Avg. temperature21.9 ° C
(71.5°F)
Humidity% 68
Chance of rain0%
UV Index6
Sun PositionSunrise:05:39 AM
Sunset: 07:53 PM
Moon PositionMoonrise:05:49 PM
Moonset: 01:20 AM
Moon Phase
( Waxing Gibbous )
06 August 2025 Wednesday
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature20.4 ° C
(68.6°F)
High temperature23.6 ° C
(74.4°F)
Avg. temperature22.1 ° C
(71.8°F)
Humidity% 80
Chance of rain0%
UV Index6
Sun PositionSunrise:05:40 AM
Sunset: 07:52 PM
Moon PositionMoonrise:06:36 PM
Moonset: 02:16 AM
Moon Phase
( Waxing Gibbous )
07 August 2025 Thursday
Weather forecastSunny Sunny
Low temperature21.5 ° C
(70.8°F)
High temperature23.9 ° C
(75°F)
Avg. temperature22.6 ° C
(72.7°F)
Humidity% 84
Chance of rain0%
UV Index6
Sun PositionSunrise:05:41 AM
Sunset: 07:50 PM
Moon PositionMoonrise:07:16 PM
Moonset: 03:21 AM
Moon Phase
( Waxing Gibbous )
08 August 2025 Friday
Weather forecastSunny Sunny
Low temperature21.2 ° C
(70.1°F)
High temperature24.3 ° C
(75.7°F)
Avg. temperature22.6 ° C
(72.7°F)
Humidity% 79
Chance of rain0%
UV Index6
Sun PositionSunrise:05:42 AM
Sunset: 07:49 PM
Moon PositionMoonrise:07:49 PM
Moonset: 04:31 AM
Moon Phase
( Waxing Gibbous )
09 August 2025 Saturday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature21.8 ° C
(71.3°F)
High temperature26 ° C
(78.8°F)
Avg. temperature23.9 ° C
(75°F)
Humidity% 87
Chance of rain79%
UV Index5
Sun PositionSunrise:05:43 AM
Sunset: 07:48 PM
Moon PositionMoonrise:08:16 PM
Moonset: 05:45 AM
Moon Phase
( Full Moon )
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
27 July 2025 Sunday Patchy rain nearby Patchy rain nearby 18.7 ° C
(65.7°F)
21.5 ° C
(70.7°F)
20.3 ° C
(68.5°F)
% 82 67% 0.8 Sunrise:05:30 AM
Sunset: 08:03 PM
Moonrise:08:27 AM
Moonset: 09:44 PM
Moon Phase
( Waxing Crescent )
28 July 2025 Monday Fog Fog 21.2 ° C
(70.2°F)
23.4 ° C
(74.1°F)
22.3 ° C
(72.1°F)
% 94 0% 2.3 Sunrise:05:31 AM
Sunset: 08:02 PM
Moonrise:09:33 AM
Moonset: 10:03 PM
Moon Phase
( Waxing Crescent )
29 July 2025 Tuesday Overcast  Overcast 21.3 ° C
(70.3°F)
25.9 ° C
(78.6°F)
22.6 ° C
(72.7°F)
% 93 0% 2.2 Sunrise:05:32 AM
Sunset: 08:01 PM
Moonrise:10:36 AM
Moonset: 10:22 PM
Moon Phase
( Waxing Crescent )
30 July 2025 Wednesday Fog Fog 20.8 ° C
(69.4°F)
27.4 ° C
(81.4°F)
22.9 ° C
(73.3°F)
% 91 0% 2.3 Sunrise:05:33 AM
Sunset: 08:00 PM
Moonrise:11:39 AM
Moonset: 10:41 PM
Moon Phase
( Waxing Crescent )
31 July 2025 Thursday Moderate rain Moderate rain 19.3 ° C
(66.8°F)
22 ° C
(71.6°F)
21.1 ° C
(69.9°F)
% 91 83% 0.2 Sunrise:05:34 AM
Sunset: 07:59 PM
Moonrise:12:41 PM
Moonset: 11:02 PM
Moon Phase
( Waxing Crescent )
01 August 2025 Friday Partly Cloudy  Partly Cloudy 18.7 ° C
(65.7°F)
20.8 ° C
(69.4°F)
19.6 ° C
(67.3°F)
% 76 0% 5 Sunrise:05:35 AM
Sunset: 07:58 PM
Moonrise:01:44 PM
Moonset: 11:27 PM
Moon Phase
( First Quarter )
02 August 2025 Saturday Sunny Sunny 18.6 ° C
(65.5°F)
20.3 ° C
(68.5°F)
19.4 ° C
(66.9°F)
% 58 0% 5 Sunrise:05:36 AM
Sunset: 07:56 PM
Moonrise:02:48 PM
Moonset: 11:57 PM
Moon Phase
( Waxing Gibbous )
03 August 2025 Sunday Sunny Sunny 17.7 ° C
(63.9°F)
24.2 ° C
(75.5°F)
20.9 ° C
(69.7°F)
% 61 0% 6 Sunrise:05:37 AM
Sunset: 07:55 PM
Moonrise:03:52 PM
Moonset: No moonset
Moon Phase
( Waxing Gibbous )
04 August 2025 Monday Sunny Sunny 19.9 ° C
(67.9°F)
25.3 ° C
(77.5°F)
22.4 ° C
(72.3°F)
% 66 0% 6 Sunrise:05:38 AM
Sunset: 07:54 PM
Moonrise:04:53 PM
Moonset: 12:34 AM
Moon Phase
( Waxing Gibbous )
05 August 2025 Tuesday Sunny Sunny 20 ° C
(68°F)
24.1 ° C
(75.3°F)
21.9 ° C
(71.5°F)
% 68 0% 6 Sunrise:05:39 AM
Sunset: 07:53 PM
Moonrise:05:49 PM
Moonset: 01:20 AM
Moon Phase
( Waxing Gibbous )
06 August 2025 Wednesday Partly Cloudy  Partly Cloudy 20.4 ° C
(68.6°F)
23.6 ° C
(74.4°F)
22.1 ° C
(71.8°F)
% 80 0% 6 Sunrise:05:40 AM
Sunset: 07:52 PM
Moonrise:06:36 PM
Moonset: 02:16 AM
Moon Phase
( Waxing Gibbous )
07 August 2025 Thursday Sunny Sunny 21.5 ° C
(70.8°F)
23.9 ° C
(75°F)
22.6 ° C
(72.7°F)
% 84 0% 6 Sunrise:05:41 AM
Sunset: 07:50 PM
Moonrise:07:16 PM
Moonset: 03:21 AM
Moon Phase
( Waxing Gibbous )
08 August 2025 Friday Sunny Sunny 21.2 ° C
(70.1°F)
24.3 ° C
(75.7°F)
22.6 ° C
(72.7°F)
% 79 0% 6 Sunrise:05:42 AM
Sunset: 07:49 PM
Moonrise:07:49 PM
Moonset: 04:31 AM
Moon Phase
( Waxing Gibbous )
09 August 2025 Saturday Patchy rain nearby Patchy rain nearby 21.8 ° C
(71.3°F)
26 ° C
(78.8°F)
23.9 ° C
(75°F)
% 87 79% 5 Sunrise:05:43 AM
Sunset: 07:48 PM
Moonrise:08:16 PM
Moonset: 05:45 AM
Moon Phase
( Full Moon )
Harwich Weather forecasts are usually fully updated every 4 hours.
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