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Today's Weather atop Mount Washington

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.
Saturday, May 18, 2013
5:27 AM
Conditions at 5:27 AM

Weather: Mostly Sunny

Temperature: 30°F

Wind: NW 18 mph

Visibility: 105 miles

Relative Humidity: 72%

Station Pressure: 23.97" rising

Ground Conditions: Icy rocks w/ isolated snow patches

24 Hour Statistics

Maximum Temperature: 31°F

Minimum Temperature: 25°F

Peak Wind Gust: NW 61 mph

Average Wind Speed: 34.8 mph

Liquid Precipitation: 0.22"

Snowfall: 0.6"

Almanac Data

Record High: 62°F (1986)

Record Low: 8°F (1944)

Average Daily Temperature: 37°F

Average Monthly Melted Precipitation: 8.21

Average Monthly Snowfall: 12.50

Total Snowfall So Far This Month: 0.9"

Average Monthly Winds: 28.3

Sunrise: 5:09

Sunset: 8:14

Forecast Discussion

High pressure will slide offshore early today, while a developing warm front edges northward from the Ohio Valley. The lingering effects of the high will keep the summits mainly clear this morning, but the approach of the front combined with daytime heating will result in the development of midday clouds, which will land the summits in and out of the fog through the afternoon hours. In addition, a late-day rain shower or two is possible, a risk that will carry over into the early part of tonight. After topping out near the 40 degree mark today, temperatures will recede well into the 30s overnight, with continued light winds, and clearing skies. With the weather map remaining relatively unchanged, the same sort of scenario will progress for Sunday, with early morning clear skies giving way to afternoon cloudiness and periodic fog.

Mike Carmon
Observer
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