Arlington Weather Forecast 15 Days, Weather in Arlington Today

Current weather conditions and 15 day weather forecast for Arlington, Washington, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Arlington

12 August 2025 Tuesday
26.1 ° C / 79°F
Sunny
Sunny
Feels Like : 27.7 ° C / 81.8°F
Humidity : % 41
Pressure : 1015 mb
Wind Speed : 4 kmph / 2.5 miles from NWNW
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for Arlington, WA, USA

Weather Forecast for next 15 Days for Arlington including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Arlington, Washington state, US. To see the daily forecast, scroll to the table below.
Date
11 August 2025 Monday
Weather forecastSunny Sunny
Low temperature16.9 ° C
(62.4°F)
High temperature28.4 ° C
(83.1°F)
Avg. temperature22.2 ° C
(72°F)
Humidity% 74
Chance of rain0%
UV Index2.1
Sun PositionSunrise:05:59 AM
Sunset: 08:28 PM
Moon PositionMoonrise:09:35 PM
Moonset: 08:47 AM
Moon Phase
( Waning Gibbous )
12 August 2025 Tuesday
Weather forecastSunny Sunny
Low temperature16.5 ° C
(61.7°F)
High temperature30.3 ° C
(86.5°F)
Avg. temperature22.5 ° C
(72.6°F)
Humidity% 70
Chance of rain0%
UV Index2.1
Sun PositionSunrise:06:00 AM
Sunset: 08:26 PM
Moon PositionMoonrise:09:51 PM
Moonset: 10:07 AM
Moon Phase
( Waning Gibbous )
13 August 2025 Wednesday
Weather forecastOvercast  Overcast
Low temperature13 ° C
(55.3°F)
High temperature18.5 ° C
(65.3°F)
Avg. temperature16.2 ° C
(61.1°F)
Humidity% 88
Chance of rain0%
UV Index0.3
Sun PositionSunrise:06:01 AM
Sunset: 08:24 PM
Moon PositionMoonrise:10:09 PM
Moonset: 11:28 AM
Moon Phase
( Waning Gibbous )
14 August 2025 Thursday
Weather forecastModerate rain Moderate rain
Low temperature11.3 ° C
(52.3°F)
High temperature16.6 ° C
(61.9°F)
Avg. temperature13.3 ° C
(56°F)
Humidity% 89
Chance of rain83%
UV Index1
Sun PositionSunrise:06:03 AM
Sunset: 08:23 PM
Moon PositionMoonrise:10:29 PM
Moonset: 12:51 PM
Moon Phase
( Waning Gibbous )
15 August 2025 Friday
Weather forecastHeavy rain Heavy rain
Low temperature12.8 ° C
(55.1°F)
High temperature16.8 ° C
(62.3°F)
Avg. temperature15.4 ° C
(59.7°F)
Humidity% 98
Chance of rain68%
UV Index0
Sun PositionSunrise:06:04 AM
Sunset: 08:21 PM
Moon PositionMoonrise:10:57 PM
Moonset: 02:16 PM
Moon Phase
( Waning Gibbous )
16 August 2025 Saturday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature14.4 ° C
(57.9°F)
High temperature18.2 ° C
(64.8°F)
Avg. temperature16.2 ° C
(61.2°F)
Humidity% 94
Chance of rain78%
UV Index4
Sun PositionSunrise:06:05 AM
Sunset: 08:19 PM
Moon PositionMoonrise:11:33 PM
Moonset: 03:40 PM
Moon Phase
( Last Quarter )
17 August 2025 Sunday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature11.9 ° C
(53.4°F)
High temperature20.1 ° C
(68.2°F)
Avg. temperature16.7 ° C
(62°F)
Humidity% 85
Chance of rain87%
UV Index4
Sun PositionSunrise:06:07 AM
Sunset: 08:17 PM
Moon PositionMoonrise:No moonrise
Moonset: 04:57 PM
Moon Phase
( Waning Crescent )
18 August 2025 Monday
Weather forecastSunny Sunny
Low temperature10.4 ° C
(50.8°F)
High temperature23 ° C
(73.4°F)
Avg. temperature15.8 ° C
(60.4°F)
Humidity% 67
Chance of rain0%
UV Index5
Sun PositionSunrise:06:08 AM
Sunset: 08:16 PM
Moon PositionMoonrise:12:22 AM
Moonset: 06:01 PM
Moon Phase
( Waning Crescent )
19 August 2025 Tuesday
Weather forecastSunny Sunny
Low temperature9.2 ° C
(48.5°F)
High temperature22.7 ° C
(72.9°F)
Avg. temperature15.5 ° C
(59.9°F)
Humidity% 69
Chance of rain0%
UV Index5
Sun PositionSunrise:06:09 AM
Sunset: 08:14 PM
Moon PositionMoonrise:01:27 AM
Moonset: 06:49 PM
Moon Phase
( Waning Crescent )
20 August 2025 Wednesday
Weather forecastSunny Sunny
Low temperature10.5 ° C
(51°F)
High temperature23.7 ° C
(74.7°F)
Avg. temperature16 ° C
(60.9°F)
Humidity% 66
Chance of rain0%
UV Index5
Sun PositionSunrise:06:11 AM
Sunset: 08:12 PM
Moon PositionMoonrise:02:42 AM
Moonset: 07:25 PM
Moon Phase
( Waning Crescent )
21 August 2025 Thursday
Weather forecastSunny Sunny
Low temperature10.4 ° C
(50.7°F)
High temperature23.7 ° C
(74.7°F)
Avg. temperature16.4 ° C
(61.5°F)
Humidity% 69
Chance of rain0%
UV Index5
Sun PositionSunrise:06:12 AM
Sunset: 08:10 PM
Moon PositionMoonrise:04:02 AM
Moonset: 07:50 PM
Moon Phase
( Waning Crescent )
22 August 2025 Friday
Weather forecastSunny Sunny
Low temperature12.1 ° C
(53.7°F)
High temperature25.6 ° C
(78°F)
Avg. temperature17.8 ° C
(64°F)
Humidity% 68
Chance of rain0%
UV Index5
Sun PositionSunrise:06:13 AM
Sunset: 08:08 PM
Moon PositionMoonrise:05:22 AM
Moonset: 08:09 PM
Moon Phase
( Waning Crescent )
23 August 2025 Saturday
Weather forecastSunny Sunny
Low temperature12.7 ° C
(54.9°F)
High temperature26.9 ° C
(80.5°F)
Avg. temperature18.4 ° C
(65.1°F)
Humidity% 69
Chance of rain0%
UV Index5
Sun PositionSunrise:06:15 AM
Sunset: 08:06 PM
Moon PositionMoonrise:06:38 AM
Moonset: 08:25 PM
Moon Phase
( New Moon )
24 August 2025 Sunday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature11.5 ° C
(52.7°F)
High temperature21.2 ° C
(70.2°F)
Avg. temperature15.5 ° C
(59.9°F)
Humidity% 83
Chance of rain86%
UV Index4
Sun PositionSunrise:06:16 AM
Sunset: 08:05 PM
Moon PositionMoonrise:07:51 AM
Moonset: 08:39 PM
Moon Phase
( Waxing Crescent )
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
11 August 2025 Monday Sunny Sunny 16.9 ° C
(62.4°F)
28.4 ° C
(83.1°F)
22.2 ° C
(72°F)
% 74 0% 2.1 Sunrise:05:59 AM
Sunset: 08:28 PM
Moonrise:09:35 PM
Moonset: 08:47 AM
Moon Phase
( Waning Gibbous )
12 August 2025 Tuesday Sunny Sunny 16.5 ° C
(61.7°F)
30.3 ° C
(86.5°F)
22.5 ° C
(72.6°F)
% 70 0% 2.1 Sunrise:06:00 AM
Sunset: 08:26 PM
Moonrise:09:51 PM
Moonset: 10:07 AM
Moon Phase
( Waning Gibbous )
13 August 2025 Wednesday Overcast  Overcast 13 ° C
(55.3°F)
18.5 ° C
(65.3°F)
16.2 ° C
(61.1°F)
% 88 0% 0.3 Sunrise:06:01 AM
Sunset: 08:24 PM
Moonrise:10:09 PM
Moonset: 11:28 AM
Moon Phase
( Waning Gibbous )
14 August 2025 Thursday Moderate rain Moderate rain 11.3 ° C
(52.3°F)
16.6 ° C
(61.9°F)
13.3 ° C
(56°F)
% 89 83% 1 Sunrise:06:03 AM
Sunset: 08:23 PM
Moonrise:10:29 PM
Moonset: 12:51 PM
Moon Phase
( Waning Gibbous )
15 August 2025 Friday Heavy rain Heavy rain 12.8 ° C
(55.1°F)
16.8 ° C
(62.3°F)
15.4 ° C
(59.7°F)
% 98 68% 0 Sunrise:06:04 AM
Sunset: 08:21 PM
Moonrise:10:57 PM
Moonset: 02:16 PM
Moon Phase
( Waning Gibbous )
16 August 2025 Saturday Patchy rain nearby Patchy rain nearby 14.4 ° C
(57.9°F)
18.2 ° C
(64.8°F)
16.2 ° C
(61.2°F)
% 94 78% 4 Sunrise:06:05 AM
Sunset: 08:19 PM
Moonrise:11:33 PM
Moonset: 03:40 PM
Moon Phase
( Last Quarter )
17 August 2025 Sunday Patchy rain nearby Patchy rain nearby 11.9 ° C
(53.4°F)
20.1 ° C
(68.2°F)
16.7 ° C
(62°F)
% 85 87% 4 Sunrise:06:07 AM
Sunset: 08:17 PM
Moonrise:No moonrise
Moonset: 04:57 PM
Moon Phase
( Waning Crescent )
18 August 2025 Monday Sunny Sunny 10.4 ° C
(50.8°F)
23 ° C
(73.4°F)
15.8 ° C
(60.4°F)
% 67 0% 5 Sunrise:06:08 AM
Sunset: 08:16 PM
Moonrise:12:22 AM
Moonset: 06:01 PM
Moon Phase
( Waning Crescent )
19 August 2025 Tuesday Sunny Sunny 9.2 ° C
(48.5°F)
22.7 ° C
(72.9°F)
15.5 ° C
(59.9°F)
% 69 0% 5 Sunrise:06:09 AM
Sunset: 08:14 PM
Moonrise:01:27 AM
Moonset: 06:49 PM
Moon Phase
( Waning Crescent )
20 August 2025 Wednesday Sunny Sunny 10.5 ° C
(51°F)
23.7 ° C
(74.7°F)
16 ° C
(60.9°F)
% 66 0% 5 Sunrise:06:11 AM
Sunset: 08:12 PM
Moonrise:02:42 AM
Moonset: 07:25 PM
Moon Phase
( Waning Crescent )
21 August 2025 Thursday Sunny Sunny 10.4 ° C
(50.7°F)
23.7 ° C
(74.7°F)
16.4 ° C
(61.5°F)
% 69 0% 5 Sunrise:06:12 AM
Sunset: 08:10 PM
Moonrise:04:02 AM
Moonset: 07:50 PM
Moon Phase
( Waning Crescent )
22 August 2025 Friday Sunny Sunny 12.1 ° C
(53.7°F)
25.6 ° C
(78°F)
17.8 ° C
(64°F)
% 68 0% 5 Sunrise:06:13 AM
Sunset: 08:08 PM
Moonrise:05:22 AM
Moonset: 08:09 PM
Moon Phase
( Waning Crescent )
23 August 2025 Saturday Sunny Sunny 12.7 ° C
(54.9°F)
26.9 ° C
(80.5°F)
18.4 ° C
(65.1°F)
% 69 0% 5 Sunrise:06:15 AM
Sunset: 08:06 PM
Moonrise:06:38 AM
Moonset: 08:25 PM
Moon Phase
( New Moon )
24 August 2025 Sunday Patchy rain nearby Patchy rain nearby 11.5 ° C
(52.7°F)
21.2 ° C
(70.2°F)
15.5 ° C
(59.9°F)
% 83 86% 4 Sunrise:06:16 AM
Sunset: 08:05 PM
Moonrise:07:51 AM
Moonset: 08:39 PM
Moon Phase
( Waxing Crescent )
Arlington Weather forecasts are usually fully updated every 4 hours.
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