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As of 21:52 EDT

Weather in Rock Harbor, MA

77°Current weather

Rock Harbor, Saturday, 8 August, 21:52

Overcast. Feels like 78°. High 88°, low 72°.

Pressure29.91 inHg
Wind3 mph N
Humidity89%
Visibility6.2 mi
Dew point73°
Sun, 0993° / 72°0.05Rain
93 °Rain

Rock Harbor, Sunday, 9 August

Rain. High 93°, low 72°.

Pressure29.91 inHg
Wind4.9 mph W
Humidity60%
Visibility6.2 mi
Dew point66°
Mon, 1090° / 71°0Clear
90 °Clear

Rock Harbor, Monday, 10 August

Clear. High 90°, low 71°.

Pressure29.97 inHg
Wind7 mph S
Humidity56%
Visibility6.2 mi
Dew point62°
Tue, 1181° / 71°0.02Light rain
81 °Light rain

Rock Harbor, Tuesday, 11 August

Light rain. High 81°, low 71°.

Pressure29.77 inHg
Wind9.3 mph NW
Humidity66%
Visibility6.2 mi
Dew point65°
Wed, 1271° / 66°0.3Rain
71 °Rain

Rock Harbor, Wednesday, 12 August

Rain. High 71°, low 66°.

Pressure29.71 inHg
Wind12.3 mph NE
Humidity94%
Visibility6.2 mi
Dew point65°
Thu, 1376° / 64°0.15Light rain
76 °Light rain

Rock Harbor, Thursday, 13 August

Light rain. High 76°, low 64°.

Pressure29.71 inHg
Wind12.5 mph NW
Humidity82%
Visibility—
Dew point65°
Fri, 1472° / 66°0Clear
72 °Clear

Rock Harbor, Friday, 14 August

Clear. High 72°, low 66°.

Pressure29.94 inHg
Wind17.6 mph NW
Humidity49%
Visibility—
Dew point48°
Sat, 1571° / 65°0Clear
71 °Clear

Rock Harbor, Saturday, 15 August

Clear. High 71°, low 65°.

Pressure30.00 inHg
Wind16.4 mph NW
Humidity64%
Visibility—
Dew point54°
Sun, 1670° / 66°0Clear
70 °Clear

Rock Harbor, Sunday, 16 August

Clear. High 70°, low 66°.

Pressure30.15 inHg
Wind10.2 mph NW
Humidity61%
Visibility—
Dew point55°
Mon, 1774° / 66°0.01Light rain
74 °Light rain

Rock Harbor, Monday, 17 August

Light rain. High 74°, low 66°.

Pressure30.21 inHg
Wind15.9 mph S
Humidity60%
Visibility—
Dew point58°
Tue, 1874° / 67°0Overcast
74 °Overcast

Rock Harbor, Tuesday, 18 August

Overcast. High 74°, low 67°.

Pressure30.15 inHg
Wind10.6 mph SE
Humidity69%
Visibility—
Dew point61°
Wed, 1975° / 67°0Overcast
75 °Overcast

Rock Harbor, Wednesday, 19 August

Overcast. High 75°, low 67°.

Pressure30.00 inHg
Wind10.4 mph SE
Humidity73%
Visibility—
Dew point64°
Thu, 2071° / 69°0.35Rain
71 °Rain

Rock Harbor, Thursday, 20 August

Rain. High 71°, low 69°.

Pressure29.71 inHg
Wind19.4 mph S
Humidity89%
Visibility—
Dew point67°
Fri, 2172° / 62°0Clear
72 °Clear

Rock Harbor, Friday, 21 August

Clear. High 72°, low 62°.

Pressure29.65 inHg
Wind18.3 mph NW
Humidity62%
Visibility—
Dew point56°
Sat, 2272° / 64°0Clear
72 °Clear

Rock Harbor, Saturday, 22 August

Clear. High 72°, low 64°.

Pressure30.00 inHg
Wind14.9 mph W
Humidity49%
Visibility—
Dew point48°
Sun, 2376° / 64°0.01Light rain
76 °Light rain

Rock Harbor, Sunday, 23 August

Light rain. High 76°, low 64°.

Pressure30.09 inHg
Wind17.1 mph SW
Humidity55%
Visibility—
Dew point56°

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 Rock Harbor, 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 Rock Harbor, 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.