White Mountain Region Forecast

Monday, October 20, 2014

Valley Forecast:

Temperature

Wind

Today

Partly sunny.

Lower 50s°F

Light and variable

Tonight

Increasingly cloudy w/ a chance of rain after midnight.

Upper 30s°F

Light and variable

Extended Outlook:

Highs

Lows

Tomorrow

Cloudy w/ rain likely, mainly during the afternoon.

Lower 50s°F

Lower 40s°F

Wednesday

Cloudy w/ rain, heavy at times.

Around 50°F

Mid 40s°F

Thursday

Cloudy w/ rain.

Mid 50s°F

Mid 40s°F

Friday

Mostly cloudy w/ a chance of showers.

Mid 50s°F

Lower 40s°F

Summits Outlook: Mountain weather is subject to rapid changes and extreme conditions. Always be prepared to make your own assessment of travel and weather conditions. This outlook is one tool to help you plan a safe trip. Always travel with adequate clothing, shelter, food, and water.

Today

Tonight

Tomorrow

Mostly in the clear under increasingly cloudy skies. Wind chills rising to 0-10 above.

In the clear under mostly cloudy skies, becoming in and out of the clouds late w/ a chance of mixed precipitation showers. Wind chills 10-20.

Mostly in the clouds under overcast skies w/ a chance of mixed precipitation showers changing to rain. Wind chills 10-20.

Highs:

Mid 20s°F

Lows:

Rising to the upper 20s°F

Highs:

Lower 30s°F

Wind:

NW shifting W 45-60 mph, decreasing to 30-45 mph w/ higher gusts early

Wind:

W shifting SW 25-40 mph, decreasing to 15-30 mph w/ higher gusts early

Wind:

S shifting E 20-35 mph, decreasing to 10-25 mph w/ higher gusts early

Air Quality Forecast: Good levels

Summit Data:

Auto Road Vertical Temperature Profile at

6288'

4:55 AM Summit Conditions

Yesterday

Almanac for Monday, October 20, 2014

19.5°F

Weather:

Intermittent Fog

Max. Temperature:

27°F

Record High:

52°F

set in

1963, 1965

5300'

Min. Temperature:

13°F

Record Low:

1°F

set in

1972

26.4°F

Temperature:

11°F

Peak Gust:

NW 80 mph

Average Daily Temperature:

29°F

4300'

Wind:

NW 47 mph

Average Wind Speed:

46.1 mph

Average Monthly Temperature:

30.2°F

35.3°F

Wind Chill:

-15.0°F

Liquid Precipitation:

0.03"

Average Monthly Precipitation:

7.66

3300'

Relative Humidity:

100%

Average Monthly Snowfall:

13.80

39.1°F

Visibility:

1/16th of a mile

Monthly Total Liquid Precip:

6.41"

Average Monthly Winds Speed:

34.1

2300'

Barometric Pressure:

23.52" rising

Snowfall:

0.3"

Sunrise:

7:01 A.M.

Sunset:

5:59 P.M.

42.7°F

Ground Conditions:

Icy rocks w/ a trace of snow

Monthly Total Snowfall:

0.9"

Length of Day:

10 hours 58 minutes

1600'

Special Phenomena:

41.9°F

 

 

Days with Fog this Month:

19

The Mount Washington Observatory is a private, non-profit organization supported by the generosity of its members. Its mission is to advance understanding of the natural forces that create the Earth's weather and climate.

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