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As of 21:24 EDT

Weather in Prospect Harbor, ME

67°Current weather

Prospect Harbor, Saturday, 8 August, 21:24

Overcast. Feels like 68°. High 81°, low 67°.

Pressure29.88 inHg
Wind1.3 mph S
Humidity93%
Visibility—
Dew point66°
Sun, 0983° / 65°0.06Rain
83 °Rain

Prospect Harbor, Sunday, 9 August

Rain. High 83°, low 65°.

Pressure29.85 inHg
Wind8.4 mph S
Humidity77%
Visibility4.4 mi
Dew point64°
Mon, 1080° / 62°0.05Light rain
80 °Light rain

Prospect Harbor, Monday, 10 August

Light rain. High 80°, low 62°.

Pressure29.94 inHg
Wind6.2 mph S
Humidity61%
Visibility6.2 mi
Dew point58°
Tue, 1172° / 60°0.16Light rain
72 °Light rain

Prospect Harbor, Tuesday, 11 August

Light rain. High 72°, low 60°.

Pressure29.68 inHg
Wind8 mph SW
Humidity74%
Visibility5.8 mi
Dew point62°
Wed, 1264° / 58°0Overcast
64 °Overcast

Prospect Harbor, Wednesday, 12 August

Overcast. High 64°, low 58°.

Pressure29.77 inHg
Wind11.9 mph SW
Humidity76%
Visibility6.2 mi
Dew point57°
Thu, 1366° / 57°0.19Rain
66 °Rain

Prospect Harbor, Thursday, 13 August

Rain. High 66°, low 57°.

Pressure29.68 inHg
Wind10.6 mph SW
Humidity84%
Visibility—
Dew point59°
Fri, 1466° / 56°0Overcast
66 °Overcast

Prospect Harbor, Friday, 14 August

Overcast. High 66°, low 56°.

Pressure29.83 inHg
Wind15.6 mph W
Humidity53%
Visibility—
Dew point47°
Sat, 1568° / 58°0Light rain
68 °Light rain

Prospect Harbor, Saturday, 15 August

Light rain. High 68°, low 58°.

Pressure29.88 inHg
Wind15.3 mph W
Humidity69%
Visibility—
Dew point52°
Sun, 1670° / 55°0Clear
70 °Clear

Prospect Harbor, Sunday, 16 August

Clear. High 70°, low 55°.

Pressure30.12 inHg
Wind9.8 mph N
Humidity58%
Visibility—
Dew point49°
Mon, 1767° / 60°0Overcast
67 °Overcast

Prospect Harbor, Monday, 17 August

Overcast. High 67°, low 60°.

Pressure30.21 inHg
Wind12.7 mph S
Humidity71%
Visibility—
Dew point55°
Tue, 1866° / 60°0.01Light rain
66 °Light rain

Prospect Harbor, Tuesday, 18 August

Light rain. High 66°, low 60°.

Pressure30.12 inHg
Wind16.1 mph S
Humidity80%
Visibility—
Dew point59°
Wed, 1967° / 61°0Overcast
67 °Overcast

Prospect Harbor, Wednesday, 19 August

Overcast. High 67°, low 61°.

Pressure30.03 inHg
Wind10.5 mph S
Humidity78%
Visibility—
Dew point59°
Thu, 2062° / 60°0.43Rain
62 °Rain

Prospect Harbor, Thursday, 20 August

Rain. High 62°, low 60°.

Pressure29.77 inHg
Wind14 mph SE
Humidity94%
Visibility—
Dew point60°
Fri, 2169° / 59°0.07Light rain
69 °Light rain

Prospect Harbor, Friday, 21 August

Light rain. High 69°, low 59°.

Pressure29.50 inHg
Wind16.8 mph NW
Humidity80%
Visibility—
Dew point58°
Sat, 2268° / 57°0Clear
68 °Clear

Prospect Harbor, Saturday, 22 August

Clear. High 68°, low 57°.

Pressure29.85 inHg
Wind13.7 mph W
Humidity51%
Visibility—
Dew point45°
Sun, 2366° / 53°0Overcast
66 °Overcast

Prospect Harbor, Sunday, 23 August

Overcast. High 66°, low 53°.

Pressure30.06 inHg
Wind12.9 mph SW
Humidity50%
Visibility—
Dew point45°

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 Prospect Harbor, ME 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 Prospect Harbor, ME 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.