Cowlitz River - Longview Weather Forecast
- 57
- 81
Increasing Clouds
- 57
- 85
Mostly Sunny
- 56
- 79
Partly Sunny
- 53
- 76
Mostly Sunny
- 53
- 75
Partly Sunny
- 53
- 78
Mostly Sunny
- 56
- 83
Sunny
Today 22 Jul Cowlitz County Lowlands
Partly sunny this Morning, then clearing. Patchy fog this morning. Highs in the mid 80s. West wind 5 to 10 Mph.
Tonight 22 Jul Cowlitz County Lowlands
Mostly clear. Patchy fog after midnight. Lows in the mid 50s. Winds light.
Cowlitz River - Longview Temperature Statistics
July Temperature
Southwest Washington Regional Airport (2.5 miles)
Lowest 5 July, 2025
48 °FAverage July
67.2 °FHighest 13 July, 2025
95 °F
Climate (2020–Present)
Southwest Washington Regional Airport (2.5 miles)
Average Low 2020–2025
45 °FAverage 2020–2025
52.8 °FAverage High 2020–2025
62.3 °F