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As of 05:40 EDT

Weather in Harwich Port, MA

75°Current weather

Harwich Port, Sunday, 9 August, 05:40

Clear. Feels like 76°. High 91°, low 72°.

Pressure29.88 inHg
Wind9.6 mph W
Humidity93%
Visibility6.2 mi
Dew point72°
Mon, 1086° / 70°0Clear
86 °Clear

Harwich Port, Monday, 10 August

Clear. High 86°, low 70°.

Pressure29.97 inHg
Wind7.3 mph S
Humidity55%
Visibility6.2 mi
Dew point62°
Tue, 1181° / 72°0.1Rain
81 °Rain

Harwich Port, Tuesday, 11 August

Rain. High 81°, low 72°.

Pressure29.77 inHg
Wind6.4 mph W
Humidity70%
Visibility6.2 mi
Dew point67°
Wed, 1277° / 70°0.02Light rain
77 °Light rain

Harwich Port, Wednesday, 12 August

Light rain. High 77°, low 70°.

Pressure29.77 inHg
Wind6.2 mph SE
Humidity50%
Visibility6.2 mi
Dew point58°
Thu, 1377° / 70°0.43Rain
77 °Rain

Harwich Port, Thursday, 13 August

Rain. High 77°, low 70°.

Pressure29.68 inHg
Wind17.4 mph W
Humidity88%
Visibility—
Dew point69°
Fri, 1475° / 63°0Clear
75 °Clear

Harwich Port, Friday, 14 August

Clear. High 75°, low 63°.

Pressure29.85 inHg
Wind20.6 mph NW
Humidity51%
Visibility—
Dew point49°
Sat, 1573° / 61°0Clear
73 °Clear

Harwich Port, Saturday, 15 August

Clear. High 73°, low 61°.

Pressure29.94 inHg
Wind18.7 mph W
Humidity50%
Visibility—
Dew point49°
Sun, 1672° / 67°0Overcast
72 °Overcast

Harwich Port, Sunday, 16 August

Overcast. High 72°, low 67°.

Pressure30.09 inHg
Wind13.2 mph NW
Humidity58%
Visibility—
Dew point55°
Mon, 1776° / 67°0.14Light rain
76 °Light rain

Harwich Port, Monday, 17 August

Light rain. High 76°, low 67°.

Pressure30.03 inHg
Wind16.4 mph S
Humidity55%
Visibility—
Dew point57°
Tue, 1875° / 67°0.22Light rain
75 °Light rain

Harwich Port, Tuesday, 18 August

Light rain. High 75°, low 67°.

Pressure30.03 inHg
Wind10.5 mph S
Humidity61%
Visibility—
Dew point57°
Wed, 1976° / 68°0Overcast
76 °Overcast

Harwich Port, Wednesday, 19 August

Overcast. High 76°, low 68°.

Pressure30.15 inHg
Wind7.7 mph W
Humidity64%
Visibility—
Dew point61°
Thu, 2078° / 70°0Partly cloudy
78 °Partly cloudy

Harwich Port, Thursday, 20 August

Partly cloudy. High 78°, low 70°.

Pressure30.09 inHg
Wind13 mph SW
Humidity72%
Visibility—
Dew point65°
Fri, 2178° / 73°0Overcast
78 °Overcast

Harwich Port, Friday, 21 August

Overcast. High 78°, low 73°.

Pressure29.94 inHg
Wind20.5 mph SW
Humidity79%
Visibility—
Dew point70°
Sat, 2280° / 74°0.21Light rain
80 °Light rain

Harwich Port, Saturday, 22 August

Light rain. High 80°, low 74°.

Pressure29.88 inHg
Wind16.9 mph SW
Humidity79%
Visibility—
Dew point72°
Sun, 2373° / 69°0.01Light rain
73 °Light rain

Harwich Port, Sunday, 23 August

Light rain. High 73°, low 69°.

Pressure29.94 inHg
Wind11.9 mph NW
Humidity95%
Visibility—
Dew point69°
Mon, 2473° / 67°0.01Light rain
73 °Light rain

Harwich Port, Monday, 24 August

Light rain. High 73°, low 67°.

Pressure30.03 inHg
Wind13.5 mph NE
Humidity76%
Visibility—
Dew point65°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Harwich Port, MA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Harwich Port, MA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.