White Mountain Region Forecast

Sunday, May 19, 2013

Valley Forecast:

Temperature

Wind

Today

Increasingly cloudy w/ a slight chance of afternoon showers.

Upper 60s°F

Light/variable

Tonight

Cloudy w/ showers likely, mainly later, and a chance of thunderstorms. Patchy fog.

Lower 50s°F

Light/variable

Extended Outlook:

Highs

Lows

Tomorrow

Mostly cloudy w/ showers likely, mainly early. Patchy morning fog.

Mid 70s°F

Mid 40s°F

Tuesday

Partly sunny.

Upper 60s°F

Upper 40s°F

Wednesday

Mostly cloudy w/ a chance of showers.

Around 60°F

Upper 40s°F

Thursday

Cloudy w/ a chance of showers.

Mid 60s°F

Upper 50s°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

In the clear trending towards in and out of the clouds under increasingly cloudy skies w/ a chance of afternoon showers and thunderstorms.

In the clouds w/ rain showers likely, and a chance of thunderstorms.

Mostly in the clouds w/ a chance of showers and thunderstorms early, and periods of clearing possible later.

Highs:

Lower 40s°F

Lows:

Upper 30s°F

Highs:

Mid 40s°F

Wind:

SW 5-15 mph increasing to 15-30 mph w/ higher gusts later

Wind:

SW shifting W 30-45 mph increasing to 50-70 mph w/ higher gusts

Wind:

NW 55-75 mph decreasing to 40-55 mph w/ higher gusts

Air Quality Forecast: Good levels

Summit Data:

Auto Road Vertical Temperature Profile at

6288'

5:18 AM Summit Conditions

Yesterday

Almanac for Sunday, May 19, 2013

36.6°F

Weather:

Partly Cloudy

Max. Temperature:

42°F

Record High:

64°F

set in

1989

5300'

Min. Temperature:

30°F

Record Low:

9°F

set in

1944

39.3°F

Temperature:

36°F

Peak Gust:

W 27 mph

Average Daily Temperature:

37°F

4300'

Wind:

N 9 mph

Average Wind Speed:

12.5 mph

Average Monthly Temperature:

35.5°F

42.5°F

Wind Chill:

29.0°F

Liquid Precipitation:

0.00"

Average Monthly Precipitation:

8.21

3300'

Relative Humidity:

57%

Average Monthly Snowfall:

12.50

46.3°F

Visibility:

95 miles

Monthly Total Liquid Precip:

3.49"

Average Monthly Winds Speed:

28.3

2300'

Barometric Pressure:

24.03" rising

Snowfall:

0.0"

Sunrise:

5:08 A.M.

Sunset:

8:15 P.M.

46.7°F

Ground Conditions:

Dry rocks w/ patches snow/ice

Monthly Total Snowfall:

0.9"

Length of Day:

15 hours 7 minutes

1600'

Special Phenomena:

51.4°F

 

 

Days with Fog this Month:

10

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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