Downtown (Longview) Weather Forecast
- 53
- 72
Chance Rain Showers
- 46
- 67
Chance Rain Showers
- 53
- 79
Partly Sunny
- 54
- 89
Mostly Sunny
- 51
- 75
Slight Chance Rain Showers
- 54
- 82
Mostly Sunny
Today 25 May Cowlitz County Lowlands
Partly sunny. Highs in the lower 70s. Southwest wind 5 to 10 Mph.
Tonight 25 May Cowlitz County Lowlands
Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the lower 50s. Winds light. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.
Downtown (Longview) Temperature Statistics
May Temperature
Southwest Washington Regional Airport (2.5 miles)
Lowest 4 May, 2025
35.1 °FAverage May
55.3 °FHighest 1 May, 2025
84 °F
Climate (2020–Present)
Southwest Washington Regional Airport (2.5 miles)
Average Low 2020–2025
45 °FAverage 2020–2025
52.7 °FAverage High 2020–2025
62.1 °F