Underwrite our website for a day! Learn how.
Join Email List
This page sponsored by Cranmore

Mount Washington Valley Forecast

Wednesday, September 17, 2014
4:21 AM

A weak ridge of high pressure will crest over the region today as a cold front approaches from the north then drops south across the region overnight into Thursday. Most of the state will wake to some amount of fog today but this will burn off early allowing for a sunny start to the day. As the front approaches, high and mid-level clouds from the approaching front will start to spread in from the north this afternoon. As the front approaches overnight, clouds will thicken and lower over the state. The passing front may allow for some upslope showers around the mountains in the north but most of the state should remain dry from this passing front.

Behind the front, a ridge of Canadian high pressure will move in. This will bring clearing skies, calming winds, and cold northern air Thursday night. This set up will allow for some of the coldest readings of the season so far. The entire state is expected to experience the first frost of the season Thursday night into early Friday morning and areas north of the White Mountains will likely experience their first hard freeze of the season. Friday will see the high cresting in over the state. Despite the added sunshine, temperatures will remain on the unseasonably cold side of things. Friday night will once again be on the cold side this time of year; however, temperatures are expected to be slightly warmer than Thursday night as a return flow is met with increasing cloud cover. The southwesterly flow will linger into the weekend allowing temperatures to warm further and start feeling more like late summer again. A warm front on Saturday will increase cloud cover and may bring showers to the state, especially overnight. Models are keeping the front to the north Sunday as high-pressure crests from the south. If this holds, expect some sunshine Sunday as temperatures creep into the 70s and possibly the 80s for most of the state.

Ryan Knapp
Staff Meteorologist


Mostly sunny. Areas of morning fog.

Highs: lower 60s°F

Wind: Light and variable


Partly cloudy.

Lows: lower 40s°F

Wind: SW around 10 mph becoming light and variable

Extended Outlook


Partly sunny. Chance of overnight frost.

Highs: around 60°F

Lows: around 30°F


Mostly sunny. Areas of morning frost.

Highs: mid 50s°F

Lows: upper 30s°F


Partly sunny.

Highs: lower 60s°F

Lows: mid 40s°F


Partly sunny.

Highs: lower 70s°F

Lows: mid 50s°F

Home of the World's Worst Weather
Administration: 2779 White Mountain Highway, P. O. Box 2310, North Conway, NH 03860 • Tel: 603-356-2137 • Fax: 603-356-0307 • contact us
>> OUR PARTNERS Eastern Mountain Sports Subaru Cranmore Mt Washington Auto Road Mt Washington Cog Railway Vasque EATON MWVCC
Mount Washington Observatory respects your privacy           ©2014 Mount Washington Observatory           Site Directory
Web Site Support from Zakon Group LLC