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As of 12:18 EDT

Weather in Isle au Haut, ME

83°Current weather

Isle au Haut, Sunday, 9 August, 12:18

Overcast. Feels like 91°. High 85°, low 67°.

Pressure29.83 inHg
Wind6.8 mph S
Humidity76%
Visibility<0.1 mi
Dew point76°
Mon, 1083° / 66°0.02Light rain
83 °Light rain

Isle au Haut, Monday, 10 August

Light rain. High 83°, low 66°.

Pressure29.94 inHg
Wind8.8 mph SW
Humidity78%
Visibility6.2 mi
Dew point59°
Tue, 1167° / 62°0Partly cloudy
67 °Partly cloudy

Isle au Haut, Tuesday, 11 August

Partly cloudy. High 67°, low 62°.

Pressure29.74 inHg
Wind7.3 mph S
Humidity85%
Visibility6.2 mi
Dew point61°
Wed, 1267° / 62°0Light rain
67 °Light rain

Isle au Haut, Wednesday, 12 August

Light rain. High 67°, low 62°.

Pressure29.77 inHg
Wind5.1 mph SW
Humidity71%
Visibility6.2 mi
Dew point57°
Thu, 1365° / 62°0.32Light rain
65 °Light rain

Isle au Haut, Thursday, 13 August

Light rain. High 65°, low 62°.

Pressure29.62 inHg
Wind10.9 mph SW
Humidity98%
Visibility4.1 mi
Dew point62°
Fri, 1466° / 59°0Clear
66 °Clear

Isle au Haut, Friday, 14 August

Clear. High 66°, low 59°.

Pressure29.74 inHg
Wind26.9 mph W
Humidity69%
Visibility—
Dew point52°
Sat, 1567° / 60°0Clear
67 °Clear

Isle au Haut, Saturday, 15 August

Clear. High 67°, low 60°.

Pressure29.94 inHg
Wind19.5 mph NW
Humidity67%
Visibility—
Dew point52°
Sun, 1665° / 60°0Clear
65 °Clear

Isle au Haut, Sunday, 16 August

Clear. High 65°, low 60°.

Pressure30.09 inHg
Wind14.7 mph NW
Humidity67%
Visibility—
Dew point52°
Mon, 1763° / 62°0Overcast
63 °Overcast

Isle au Haut, Monday, 17 August

Overcast. High 63°, low 62°.

Pressure30.06 inHg
Wind13.7 mph S
Humidity85%
Visibility—
Dew point58°
Tue, 1861° / 59°0.54Rain
61 °Rain

Isle au Haut, Tuesday, 18 August

Rain. High 61°, low 59°.

Pressure29.91 inHg
Wind20 mph NE
Humidity97%
Visibility—
Dew point59°
Wed, 1961° / 59°0Overcast
61 °Overcast

Isle au Haut, Wednesday, 19 August

Overcast. High 61°, low 59°.

Pressure30.00 inHg
Wind15.5 mph S
Humidity88%
Visibility—
Dew point56°
Thu, 2062° / 60°0.13Light rain
62 °Light rain

Isle au Haut, Thursday, 20 August

Light rain. High 62°, low 60°.

Pressure29.74 inHg
Wind14.9 mph S
Humidity94%
Visibility—
Dew point60°
Fri, 2162° / 61°0.24Rain
62 °Rain

Isle au Haut, Friday, 21 August

Rain. High 62°, low 61°.

Pressure29.83 inHg
Wind10.3 mph NE
Humidity99%
Visibility—
Dew point61°
Sat, 2264° / 59°0Partly cloudy
64 °Partly cloudy

Isle au Haut, Saturday, 22 August

Partly cloudy. High 64°, low 59°.

Pressure29.97 inHg
Wind15.3 mph S
Humidity92%
Visibility—
Dew point60°
Sun, 2365° / 63°0.32Rain
65 °Rain

Isle au Haut, Sunday, 23 August

Rain. High 65°, low 63°.

Pressure29.80 inHg
Wind27.1 mph S
Humidity96%
Visibility—
Dew point63°
Mon, 2462° / 58°0Clear
62 °Clear

Isle au Haut, Monday, 24 August

Clear. High 62°, low 58°.

Pressure30.06 inHg
Wind17.1 mph SW
Humidity65%
Visibility—
Dew point49°

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 Isle au Haut, 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 Isle au Haut, 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.