Weather archive on Mount Washington (AWS)

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Date / Local time

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RRR

sss

2026
August 26,
Wednesday

8.3

609.2

0.0

Wind blowing from the south

Moderate breeze

(6 m/s)

90 or more, but not 100%

Clouds generally forming or developing.

Fog or ice fog or thick haze.

Cloud covering more than 1/2 of the sky throughout the appropriate period.

Cumulus humilis or Cumulus fractus other than of bad weather, or both.

20–30%.

Altocumulus translucidus at a single level.

Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.

71.0

7.4

10.0

609.2

0.0

100

Wind blowing from the south-southwest

Light breeze

(3 m/s)

Sky obscured by fog and/or other meteorological phenomena.

Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour.

Fog or ice fog or thick haze.

Cloud covering more than 1/2 of the sky throughout the appropriate period.

5.6

14.7

0.1

10.0

12.3

609.2

100

variable wind direction

Light breeze

(3 m/s)

Sky obscured by fog and/or other meteorological phenomena.

Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour.

Fog or ice fog or thick haze.

Cloud covering more than 1/2 of the sky throughout the appropriate period.

0.1

12.3

609.2

0.2

100

variable wind direction

Light breeze

(3 m/s)

Sky obscured by fog and/or other meteorological phenomena.

Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour.

Fog or ice fog or thick haze.

Cloud covering more than 1/2 of the sky throughout the appropriate period.

0.1

12.3

11.2

609.0

0.8

variable wind direction

Light breeze

(2 m/s)

60%.

Fog or ice fog in patches.

Fog or ice fog or thick haze.

Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.

Stratocumulus cumulogenitus.

90 or more, but not 100%

Altocumulus translucidus at a single level.

No Cirrus, Cirrocumulus or Cirrostratus.

0.8

8.9

7.6

608.2

0.8

Wind blowing from the north-west

Fresh breeze

(8 m/s)

20–30%.

State of sky on the whole unchanged.

Fog or ice fog or thick haze.

Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.

5.6

9.2

Stratus nebulosus or Stratus fractus other than of bad weather, or both.

70 – 80%.

Altostratus translucidus.

Cirrus fibratus, sometimes uncinus, not progressively invading the sky.

71.0

4.9

6.4

607.4

0.2

100

Wind blowing from the west-northwest

Fresh breeze

(9 m/s)

Sky obscured by fog and/or other meteorological phenomena.

Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour.

Fog or ice fog or thick haze.

Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.

less than 0.1

6.4

6.3

607.2

0.8

100

Wind blowing from the west-northwest

Fresh breeze

(10 m/s)

Sky obscured by fog and/or other meteorological phenomena.

Fog or ice fog, sky invisible, no appreciable change during the preceding hour.

Fog or ice fog or thick haze.

Cloud covering more than 1/2 of the sky throughout the appropriate period.

5.2

9.2

less than 0.1

6.3