Upper Jordan Lake Weather Forecast
- 50
- 60
Rain Showers Likely
- 52
- 62
Chance Rain Showers
- 52
- 66
Mostly Sunny
- 50
- 65
Mostly Sunny
- 47
- 59
Partly Sunny
- 47
- 60
Partly Sunny
- 47
- 62
Mostly Sunny
Today 21 Jul Cascades of Whatcom and Skagit Counties
Mostly sunny until late afternoon then becoming mostly cloudy. A slight chance of Thunderstorms in the morning. Rain Showers Likely, a chance of Thunderstorms and Showers likely in the afternoon. Snow level near 10000 feet. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. No snow accumulation.
Tonight 21 Jul Cascades of Whatcom and Skagit Counties
Mostly cloudy. Showers Likely, a chance of Thunderstorms and Showers likely in the evening. A slight chance of Showers after midnight. Snow level near 10500 feet. Rainfall Amounts a half inch to one inch Possible, except higher Amounts possible in Thunderstorms. No snow accumulation.
Upper Jordan Lake Temperature Statistics
July Temperature
Arlington Municipal Airport (42.9 miles)
Lowest 4 July, 2025
46 °FAverage July
64.9 °FHighest 16 July, 2025
91 °F
Climate (2020–Present)
Arlington Municipal Airport (42.9 miles)
Average Low 2020–2025
42.3 °FAverage 2020–2025
50.5 °FAverage High 2020–2025
59.7 °F