Hourly Weather Forecast for Saturday

Dulles, Virginia (20189)
Source 
Forecast data derived from Weather Underground BestForecast
Temperature / Dew Point (°F):
Humidity (%):
Pressure (in):
Wind (mph):
Conditions:
Probability of Precipitation (%):
Cloud Cover (%):
Saturday Night
nt_partlycloudy Clear early followed by cloudy skies overnight. Low 18F. Winds light and variable.
Saturday
partlycloudy Partly cloudy. Lows overnight in the upper teens.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 13 | 1 27 | 2 23 | 7 20 | 10
Wind 0 mph ENE 0 mph NNE 2 mph E 2 mph SE
Humidity 58% 34% 50% 64%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover % % 23% 37%
Conditions Clear Partly Cloudy
Sunrise & Sunset
6:44 AM
6:01 PM
Sunday
sleet Periods of mixed winter precipitation. High 33F. Winds SSE at 5 to 10 mph. Chance of precip 80%. Snow and ice accumulations less than one inch.
Sunday Night
nt_sleet A mix of wintry precipitation in the evening. Then mainly cloudy with areas of fog developing late. Low 31F. Winds light and variable. Chance of precip 70%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 21 | 18 31 | 23 32 | 29 34 | 33
Wind 4 mph SE 7 mph S 5 mph S 4 mph SSW
Humidity 90% 71% 88% 95%
Chance of Precip. 20% 70% 80% 20%
Cloud Cover 87% 97% 100% 100%
Conditions Overcast Ice Pellets Ice Pellets Fog
Sunrise & Sunset
6:42 AM
6:02 PM
Monday
partlycloudy Some clouds in the morning will give way to mainly sunny skies for the afternoon. High around 40F. Winds NW at 10 to 20 mph.
Monday Night
nt_clear A few clouds overnight. Low 22F. Winds N at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 35 | 33 38 | 22 34 | 18 26 | 16
Wind 5 mph NW 14 mph NW 7 mph NW 4 mph NNW
Humidity 92% 51% 53% 65%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 89% 11% 7% 32%
Conditions Overcast Clear Clear Partly Cloudy
Sunrise & Sunset
6:41 AM
6:03 PM
Tuesday
chancerain Considerable cloudiness. Occasional rain showers in the afternoon. High 38F. Winds SE at 5 to 10 mph. Chance of rain 40%.
Tuesday Night
nt_rain Periods of rain. Low near 35F. Winds SSW at 10 to 15 mph. Chance of rain 90%. Rainfall around a quarter of an inch.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 23 | 14 32 | 17 36 | 25 40 | 38
Wind 2 mph ENE 8 mph SSE 10 mph SSE 13 mph SSW
Humidity 68% 53% 64% 90%
Chance of Precip. 0% 10% 40% 90%
Cloud Cover 26% 89% 96% 100%
Conditions Clear Overcast Chance of Rain Rain
Sunrise & Sunset
6:39 AM
6:04 PM
Wednesday
chancerain Cloudy with occasional light rain...mainly in the morning. High 52F. Winds W at 10 to 15 mph. Chance of rain 80%.
Wednesday Night
nt_snow Rain and snow showers in the evening, becoming all snow overnight. Low 33F. Winds NW at 10 to 15 mph. Chance of precip 70%. Snow accumulating 1 to 3 inches.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 44 | 44 52 | 48 48 | 38 39 | 30
Wind 12 mph SW 8 mph WNW 7 mph NW 9 mph NW
Humidity 100% 85% 67% 71%
Chance of Precip. 90% 20% 20% 70%
Cloud Cover 100% 95% 99% 100%
Conditions Rain Overcast Overcast Snow
Sunrise & Sunset
6:38 AM
6:05 PM
Thursday
snow Becoming partly cloudy later with any flurries or snow showers ending by noontime. Temps nearly steady in the low to mid 30s. Winds NNW at 10 to 15 mph. Chance of snow 40%. Snow accumulations less than one inch.
Thursday Night
nt_clear Clear skies. Low 16F. Winds NNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 16 31 | 15 29 | 12 20 | 7
Wind 13 mph NNW 11 mph NNW 7 mph NNW 6 mph NNW
Humidity 49% 52% 50% 58%
Chance of Precip. 40% 20% 0% 0%
Cloud Cover 84% 54% 34% 5%
Conditions Snow Showers Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
6:36 AM
6:06 PM
Friday
clear Mainly sunny. High around 35F. Winds light and variable.
Friday Night
nt_clear Clear skies. Low 21F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 17 | 3 30 | 12 30 | 18 24 | 15
Wind 4 mph N 5 mph WSW 5 mph S 5 mph SSW
Humidity 54% 47% 59% 67%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 3% 5% 15% 5%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
6:35 AM
6:07 PM
Saturday
clear Mostly sunny skies. High 47F. Winds W at 10 to 15 mph.
Saturday Night
nt_clear Clear. Low 27F. Winds NW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 23 | 14 41 | 28 39 | 26 30 | 23
Wind 5 mph WSW 10 mph W 7 mph WNW 7 mph NW
Humidity 66% 60% 61% 75%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 14% 26% 11% 19%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
6:33 AM
6:08 PM
Sunday
clear Sunny skies. High 43F. Winds NNW at 5 to 10 mph.
Sunday Night
nt_clear A mostly clear sky. Low near 25F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 28 | 19 38 | 22 37 | 21 30 | 20
Wind 4 mph NW 7 mph NW 3 mph N 4 mph SSE
Humidity 70% 53% 52% 68%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 15% 8% 16% 19%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
7:32 AM
7:09 PM
Monday
clear A few clouds from time to time. High 51F. Winds S at 10 to 15 mph.
Monday Night
nt_clear Mainly clear skies. Low around 30F. Winds SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 26 | 20 42 | 26 45 | 33 36 | 31
Wind 4 mph S 8 mph S 8 mph S 6 mph SSW
Humidity 75% 52% 61% 81%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 14% 25% 19% 28%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
7:30 AM
7:10 PM
Tuesday
chancerain A shower or two possible early with partly cloudy skies in the afternoon. High 52F. Winds WSW at 5 to 10 mph. Chance of rain 30%.
Tuesday Night
nt_snow Rain showers in the evening then a few snow showers overnight. Low near 30F. Winds light and variable. Chance of precip 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 30 45 | 32 46 | 34 36 | 31
Wind 4 mph SW 5 mph W 4 mph SW 4 mph N
Humidity 94% 61% 63% 83%
Chance of Precip. 10% 20% 20% 40%
Cloud Cover 33% 36% 43% 50%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Chance of Rain
Sunrise & Sunset
Sun does not rise
Wednesday
snow Scattered snow flurries and snow showers possible before noon. Becoming mostly sunny later. High near 50F. Winds N at 5 to 10 mph. Chance of snow 30%.
Wednesday Night
nt_clear A mostly clear sky. Low 29F. Winds N at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 30 43 | 30 46 | 31 36 | 27
Wind 5 mph N 8 mph N 7 mph N 5 mph N
Humidity 96% 60% 55% 71%
Chance of Precip. 30% 20% 20% 0%
Cloud Cover 40% 27% 28% 20%
Conditions Snow Showers Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Thursday
clear Sunny. High 54F. Winds NNW at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low 31F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 30 | 24 45 | 26 49 | 29 37 | 27
Wind 5 mph NNW 7 mph N 5 mph NNW 4 mph N
Humidity 80% 48% 46% 67%
Chance of Precip. 0% 0% 0% 20%
Cloud Cover 15% 15% 15% 14%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Friday
clear Mostly sunny skies. High 53F. Winds NE at 5 to 10 mph.
Friday Night
nt_clear Mostly clear skies. Low 33F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 24 45 | 25 48 | 28 38 | 27
Wind 4 mph N 6 mph NNE 4 mph E 4 mph ENE
Humidity 73% 45% 45% 64%
Chance of Precip. 20% 0% 0% 10%
Cloud Cover 14% 16% 22% 26%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Saturday
partlycloudy Partly cloudy skies. High near 55F. Winds E at 5 to 10 mph.
Saturday Night
nt_chancerain Cloudy with occasional showers. Low 36F. Winds light and variable. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 27 46 | 30 50 | 32 39 | 32
Wind 2 mph NE 5 mph ENE 5 mph SE 3 mph ESE
Humidity 75% 52% 49% 75%
Chance of Precip. 20% 20% 20% 30%
Cloud Cover 28% 39% 57% 63%
Conditions Clear Partly Cloudy Partly Cloudy Chance of Rain
Sunrise & Sunset
Sun does not rise