Forecast Details for Dunstable, MA

Recent Locations: Mansfield, OH Camp Hill, AL Dunstable, MA

Tonight: A chance of showers, mainly between 2am and 5am. Mostly cloudy, with a low around 62. Light south wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Friday: Partly sunny, with a high near 84. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 23 mph.

Friday Night: Mostly clear, with a low around 64. South wind 5 to 7 mph becoming calm after midnight.

Saturday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then showers likely after 2am. Patchy fog. Otherwise, cloudy, with a low around 57. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 60%.

Sunday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 70. Light northwest wind. Chance of precipitation is 40%.

Sunday Night: Partly cloudy, with a low around 50. Calm wind.

Monday: Sunny, with a high near 74. Northwest wind 3 to 6 mph.

Monday Night: Mostly clear, with a low around 45. Light northwest wind.

Tuesday: Sunny, with a high near 71. Light and variable wind.

Tuesday Night: Mostly clear, with a low around 45. Calm wind.

Wednesday: Sunny, with a high near 73. Light and variable wind.

Wednesday Night: Mostly clear, with a low around 47. Calm wind.

Thursday: Mostly sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation