Longview Weather Forecast
- 51
- 76
Increasing Clouds
- 50
- 75
Rain Likely
- 49
- 59
Rain Likely
- 45
- 57
Rain Likely
- 43
- 67
Partly Sunny
- 45
- 73
Mostly Sunny
- 45
- 72
Mostly Sunny
Today 19 Apr Cowlitz County Lowlands
Partly sunny. Highs in the mid 70s. Winds light.
Tonight 19 Apr Cowlitz County Lowlands
Mostly cloudy. Lows around 50. Winds light.
Longview Temperature Statistics
April Temperature
Southwest Washington Regional Airport (2.5 miles)
Lowest 9 April, 2026
35.1 °FAverage April
52.2 °FHighest 5 April, 2026
79 °F
Climate (2021–Present)
Southwest Washington Regional Airport (2.5 miles)
Average Low 2021–2026
45.2 °FAverage 2021–2026
53.1 °FAverage High 2021–2026
62.5 °F