Forecast and Conditions for Upper Marlboro, Maryland

Updated: 9:29 AM EDT on August 30, 2008
Observed at Rolling Acres, Cheltenham, Maryland
Temperature 71.6 °F / 22.0 °C
Humidity 91%
Dew Point 69 °F / 20 °C
Wind NNW at 0.0 mph / 0.0 km/h
Pressure 29.95 in / 1014.1 hPa (Rising)
Conditions Overcast
Visibility 10.0 miles / 16.1 kilometers
Clouds Overcast (OVC) : 800 ft / 243 m
Yesterday's Maximum 78 °F / 25 °C
Yesterday's Minimum 69 °F / 20 °C
Normal high 84 °F / 28 °C
Normal low 66 °F / 18 °C
Record high 99 °F / 37 °C (1953)
Record low 50 °F / 10 °C (1986)
Yesterday's Heating Degree Days 0
Yesterday's Cooling Degree Days 9
Sunrise06:34 AM (EDT)
Sunset07:39 PM (EDT)
Moon Rise06:15 AM (EDT)
Moon Set07:30 PM (EDT)
Moon Phase
Forecast as of 7:50 am EDT on August 30, 2008

Now
Areas of fog will continue to affect the region early this morning. Visibilities will be reduced to less than one mile at times...especially in higher elevations. Motorists are advised to use extra caution when driving this morning. Make sure to leave plenty of space between your vehicle and the one in front of you.
Forecast as of 3:01 am EDT on August 30, 2008

Today
Areas of fog this morning. Mostly cloudy this morning... then partly sunny with a chance of showers and thunderstorms this afternoon. Highs in the mid 80s. Northwest winds around 5 mph. Chance of rain 30 percent.
Tonight
Mostly cloudy with a chance of showers and thunderstorms in the evening...then partly cloudy after midnight. Lows in the mid 60s. West winds around 5 mph...becoming north after midnight. Chance of rain 30 percent.
Sunday
Mostly sunny. Highs in the mid 80s. Northeast winds 10 to 15 mph.
Sunday Night
Clear. Lows in the upper 50s. North winds around 5 mph.
Labor Day
Sunny. Highs in the mid 80s. East winds around 5 mph.
Monday Night
Clear. Lows in the lower 60s.
Tuesday
Sunny. Highs in the lower 90s.
Tuesday Night
Clear. Lows in the mid 60s.
Wednesday
Sunny. Highs in the lower 90s.
Wednesday Night
Mostly clear. Lows in the mid 60s.
Thursday
Sunny. Highs in the lower 90s.
Thursday Night
Partly cloudy. Lows in the mid 60s.
Friday
Mostly sunny. Highs in the upper 80s.
Copyright © 2008 The Weather Underground, Inc.