Hourly Weather Forecast for Sunday

McLean, Virginia (20818)
Source 
Forecast data derived from Weather Underground BestForecast
Temperature / Dew Point (°F):
Humidity (%):
Pressure (in):
Wind (mph):
Conditions:
Probability of Precipitation (%):
Cloud Cover (%):
Friday Night
nt_partlycloudy Partly to mostly cloudy. A stray shower or thunderstorm is possible. Low 67F. Winds SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 65 78 | 68 85 | 69 72 | 62
Wind 0 mph NNE 1 mph NE 0 mph West 6 mph SSE
Humidity 86% 72% 59% 71%
Chance of Precip. 0% 0% 0% 20%
Cloud Cover % % % 60%
Conditions Mostly Cloudy
Sunrise & Sunset
5:46 AM
8:25 PM
Saturday
partlycloudy Intervals of clouds and sunshine. High near 90F. Winds S at 10 to 15 mph.
Saturday Night
nt_partlycloudy Clear to partly cloudy. Low 69F. Winds S at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 66 84 | 65 86 | 59 74 | 65
Wind 5 mph S 10 mph S 12 mph S 7 mph SSE
Humidity 92% 52% 40% 73%
Chance of Precip. 10% 0% 10% 0%
Cloud Cover 59% 30% 46% 17%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:45 AM
8:26 PM
Sunday
chancetstorms Partly cloudy early. Scattered thunderstorms developing in the afternoon. High 89F. Winds SSW at 5 to 10 mph. Chance of rain 60%.
Sunday Night
nt_chancetstorms Variable clouds with scattered thunderstorms. Low 68F. Winds SE at 5 to 10 mph. Chance of rain 60%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 86 | 64 84 | 64 73 | 66
Wind 5 mph S 9 mph SSW 8 mph S 6 mph ESE
Humidity 81% 49% 51% 81%
Chance of Precip. 10% 40% 60% 50%
Cloud Cover 29% 50% 68% 70%
Conditions Clear Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:45 AM
8:27 PM
Monday
chancetstorms Variable clouds with scattered thunderstorms. High 81F. Winds SE at 5 to 10 mph. Chance of rain 60%.
Monday Night
nt_chancetstorms Scattered thunderstorms. Low 59F. Winds NNE at 5 to 10 mph. Chance of rain 60%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 65 81 | 67 74 | 64 65 | 62
Wind 6 mph SE 6 mph S 7 mph ENE 4 mph N
Humidity 87% 63% 71% 92%
Chance of Precip. 20% 50% 60% 60%
Cloud Cover 67% 50% 66% 91%
Conditions Mostly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:45 AM
8:28 PM
Tuesday
chancerain Cloudy with occasional rain showers. High 78F. Winds N at 5 to 10 mph. Chance of rain 60%.
Tuesday Night
nt_partlycloudy A few clouds. Low 57F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 60 71 | 60 76 | 58 64 | 59
Wind 4 mph N 6 mph N 5 mph NE 4 mph NNE
Humidity 100% 68% 53% 84%
Chance of Precip. 60% 50% 10% 10%
Cloud Cover 88% 85% 78% 43%
Conditions Chance of a Thunderstorm Chance of Rain Mostly Cloudy Partly Cloudy
Sunrise & Sunset
5:44 AM
8:28 PM
Wednesday
partlycloudy Partly cloudy. High 79F. Winds NE at 5 to 10 mph.
Wednesday Night
nt_partlycloudy Some clouds early will give way to generally clear conditions overnight. Low 59F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 53 72 | 54 76 | 53 63 | 56
Wind 5 mph NNE 5 mph NE 5 mph ENE 2 mph ENE
Humidity 82% 52% 45% 77%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 38% 14% 57% 19%
Conditions Partly Cloudy Clear Partly Cloudy Clear
Sunrise & Sunset
5:44 AM
8:29 PM
Thursday
partlycloudy Sunshine and clouds mixed. High 83F. Winds SE at 5 to 10 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low 63F. Winds SE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 59 77 | 60 80 | 58 67 | 58
Wind 2 mph E 4 mph SE 8 mph SE 4 mph SE
Humidity 96% 55% 48% 74%
Chance of Precip. 10% 0% 10% 10%
Cloud Cover 9% 49% 28% 35%
Conditions Clear Partly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:44 AM
8:30 PM
Friday
partlycloudy Partly cloudy skies. High 87F. Winds SSE at 5 to 10 mph.
Friday Night
nt_partlycloudy A few clouds. Low 67F. Winds light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 60 80 | 62 84 | 61 72 | 62
Wind 2 mph SE 6 mph SE 8 mph SSE 5 mph SSE
Humidity 84% 54% 47% 73%
Chance of Precip. 20% 10% 20% 20%
Cloud Cover 28% 51% 40% 21%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:43 AM
8:30 PM
Saturday
partlycloudy Sunshine and clouds mixed. High around 90F. Winds SSE at 10 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy skies. Low 69F. Winds SE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 63 85 | 65 86 | 65 75 | 65
Wind 3 mph SE 7 mph SE 9 mph S 4 mph SE
Humidity 83% 51% 50% 73%
Chance of Precip. 20% 20% 20% 20%
Cloud Cover 20% 46% 25% 41%
Conditions Clear Partly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:43 AM
8:31 PM
Sunday
partlycloudy Partly to mostly cloudy. High near 85F. Winds E at 10 to 15 mph.
Sunday Night
nt_chancerain Cloudy with occasional rain showers. Low 68F. Winds E at 5 to 10 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 81 | 64 81 | 63 72 | 64
Wind 4 mph ENE 9 mph ESE 10 mph E 5 mph E
Humidity 80% 57% 56% 77%
Chance of Precip. 10% 20% 20% 40%
Cloud Cover 23% 54% 78% 60%
Conditions Clear Partly Cloudy Mostly Cloudy Chance of Rain
Sunrise & Sunset
5:43 AM
8:31 PM
Monday
chancetstorms Showers early then scattered thunderstorms developing later in the day. High around 85F. Winds E at 10 to 15 mph. Chance of rain 50%.
Monday Night
nt_chancerain Overcast with rain showers at times. Low 68F. Winds ESE at 10 to 15 mph. Chance of rain 60%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 65 80 | 65 82 | 63 72 | 63
Wind 4 mph E 10 mph E 11 mph ESE 6 mph ESE
Humidity 87% 60% 52% 73%
Chance of Precip. 40% 50% 40% 60%
Cloud Cover 51% 56% 54% 60%
Conditions Chance of Rain Chance of a Thunderstorm Chance of Rain Chance of Rain
Sunrise & Sunset
Sun does not rise
Tuesday
tstorms Light rain with thunderstorms by evening. High 87F. Winds ESE at 10 to 15 mph. Chance of rain 80%.
Tuesday Night
nt_tstorms Thunderstorms in the evening, then mainly cloudy overnight with light rain possible. Low 69F. Winds SE at 5 to 10 mph. Chance of rain 80%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 64 82 | 65 83 | 66 74 | 66
Wind 3 mph E 8 mph ESE 11 mph SE 6 mph SE
Humidity 85% 57% 55% 76%
Chance of Precip. 60% 60% 60% 60%
Cloud Cover 70% 75% 75% 80%
Conditions Chance of Rain Thunderstorm Thunderstorm Chance of Rain
Sunrise & Sunset
Sun does not rise
Wednesday
tstorms Showers and thunderstorms. High 87F. Winds SSE at 5 to 10 mph. Chance of rain 80%.
Wednesday Night
nt_tstorms Thunderstorms during the evening followed by occasional showers overnight. Low 69F. Winds SE at 5 to 10 mph. Chance of rain 80%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 65 81 | 65 83 | 65 73 | 64
Wind 3 mph ESE 7 mph SE 9 mph SSE 4 mph SE
Humidity 86% 57% 55% 76%
Chance of Precip. 60% 60% 60% 50%
Cloud Cover 80% 74% 75% 74%
Conditions Chance of Rain Chance of a Thunderstorm Thunderstorm Chance of Rain
Sunrise & Sunset
Sun does not rise
Thursday
chancerain Considerable cloudiness with occasional rain showers. High 86F. Winds SE at 5 to 10 mph. Chance of rain 50%.
Thursday Night
nt_chancerain Cloudy with occasional rain showers. Low 69F. Winds SE at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 81 | 64 83 | 63 73 | 63
Wind 2 mph SE 7 mph ESE 8 mph SSE 4 mph SE
Humidity 82% 55% 52% 71%
Chance of Precip. 50% 40% 40% 40%
Cloud Cover 76% 70% 64% 63%
Conditions Chance of Rain Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
Sun does not rise
Friday
chancetstorms Sun and clouds mixed with a slight chance of thunderstorms during the afternoon. High 87F. Winds SE at 5 to 10 mph. Chance of rain 30%.
Friday Night
nt_chancetstorms Scattered thunderstorms during the evening followed by a few showers overnight. Low 69F. Winds SSE at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 63 82 | 63 83 | 64 73 | 64
Wind 2 mph E 7 mph SE 10 mph SSE 6 mph SSE
Humidity 78% 53% 52% 74%
Chance of Precip. 30% 20% 40% 20%
Cloud Cover 63% 59% 64% 64%
Conditions Chance of Rain Partly Cloudy Chance of a Thunderstorm Mostly Cloudy
Sunrise & Sunset
Sun does not rise