Weather Report
Riva, Maryland
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Current Conditions -  °F | °C
As of 5:54 PM on Saturday 18 May 2013 (Local Time) from KNAK Reporting Station
Overcast Overcast   Feels Like: 63°
Wind Chill: 63°   Ceiling: 2900
Heat Index: 63°   Visibility: 10mi
Dew Point: 56°   Wind: 10mph
Humidity: 78%   Direction: 110° (ESE)
Pressure: 30.22"   Gusts: NA
Report Text: KNAK 182154Z AUTO 11009KT 10SM OVC029 17/13 A3022 RMK AO2 SLP235 T01720133
7 PM
Showers
Showers 64°
8 PM
Showers
Showers 64°
9 PM
Showers
Showers 64°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
sat sun mon tue wed thu fri sat sun mon
may
18
Showers
Showers
66°
62°
may
19
Sct T-Storms
Sct T-Storms
74°
65°
may
20
Iso T-Storms
Iso T-Storms
78°
68°
may
21
P Cloudy
P Cloudy
86°
71°
may
22
Iso T-Storms
Iso T-Storms
85°
70°
may
23
Sct T-Storms
Sct T-Storms
80°
67°
may
24
Sct T-Storms
Sct T-Storms
76°
60°
may
25
P Cloudy
P Cloudy
72°
57°
may
26
M Cloudy
M Cloudy
74°
57°
may
27
Sunny
Sunny
75°
57°
Details for Saturday, May 18 (Evening)
Evening: Cloudy with showers. Low 62F. Winds ESE at 5 to 10 mph. Chance of rain 60%.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 83%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 90%
Cloud Coverage
Sunrise: 5:51 AM
Sunset: 8:15 PM
 
Moonrise: 1:20 PM
Moonset: 1:39 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  ESE
Direction: ESE (107°)
Speed: 9Mph(14Km, 7Kts)
Details for Sunday, May 19
Showers early then scattered thunderstorms developing later in the day. High 74F. Winds ESE at 5 to 10 mph. Chance of rain 60%.
Evening: Scattered thunderstorms in the evening, then variable clouds overnight with more showers at times. Low near 65F. Winds SE at 5 to 10 mph. Chance of rain 50%.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 79%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 80%
Cloud Coverage
Sunrise: 5:50 AM
Sunset: 8:16 PM
 
Moonrise: 2:21 PM
Moonset: 2:09 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  ESE
Direction: ESE (114°)
Speed: 9Mph(15Km, 8Kts)
Details for Monday, May 20
Partly cloudy, chance of a thunderstorm. Highs in the upper 70s and lows in the upper 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 76%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 78%
Cloud Coverage
Sunrise: 5:49 AM
Sunset: 8:17 PM
 
Moonrise: 3:24 PM
Moonset: 2:40 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (175°)
Speed: 10Mph(16Km, 9Kts)
Details for Tuesday, May 21
Partly cloudy. Highs in the mid 80s and lows in the low 70s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 61%
Cloud Coverage
Sunrise: 5:49 AM
Sunset: 8:18 PM
 
Moonrise: 4:30 PM
Moonset: 3:13 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (188°)
Speed: 8Mph(13Km, 7Kts)
Details for Wednesday, May 22
Slight chance of a thunderstorm. Highs in the mid 80s and lows in the low 70s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 64%
Cloud Coverage
Sunrise: 5:48 AM
Sunset: 8:19 PM
 
Moonrise: 5:39 PM
Moonset: 3:49 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (190°)
Speed: 9Mph(15Km, 8Kts)
Details for Thursday, May 23
Scattered thunderstorms possible. Highs in the low 80s and lows in the upper 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 69%
Cloud Coverage
Sunrise: 5:47 AM
Sunset: 8:19 PM
 
Moonrise: 6:49 PM
Moonset: 4:29 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NNE
Direction: NNE (14°)
Speed: 9Mph(15Km, 8Kts)
Details for Friday, May 24
A few thunderstorms possible. Highs in the mid 70s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 43%
Cloud Coverage
Sunrise: 5:47 AM
Sunset: 8:20 PM
 
Moonrise: 8:00 PM
Moonset: 5:16 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  NW
Direction: NW (325°)
Speed: 10Mph(16Km, 9Kts)
Details for Saturday, May 25
Partly cloudy. Highs in the low 70s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 41%
Cloud Coverage
Sunrise: 5:46 AM
Sunset: 8:21 PM
 
Moonrise: 9:07 PM
Moonset: 6:10 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  N
Direction: N (7°)
Speed: 8Mph(13Km, 7Kts)
Details for Sunday, May 26
Mostly cloudy. Highs in the mid 70s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 56%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 73%
Cloud Coverage
Sunrise: 5:45 AM
Sunset: 8:22 PM
 
Moonrise: 10:08 PM
Moonset: 7:12 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NNE
Direction: NNE (18°)
Speed: 8Mph(13Km, 7Kts)
Details for Monday, May 27
Sunshine. Highs in the mid 70s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 5:45 AM
Sunset: 8:23 PM
 
Moonrise: 11:01 PM
Moonset: 8:19 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  E
Direction: E (96°)
Speed: 8Mph(13Km, 7Kts)
Chart.
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