Cathlamet Weather Forecast
- 35
- 46
Rain
- 40
- 47
Rain Showers
- 40
- 48
Rain
- 38
- 48
Rain
- 37
- 49
Rain Showers
- 37
- 50
Rain Showers Likely
Today 13 Mar Willapa and Wahkiakum Lowlands
Rain Showers likely with a slight chance of Thunderstorms this Morning, then rain Showers with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce small hail this afternoon. Snow level 1500 feet. Highs in the mid 40s. Southwest wind 5 to 10 Mph. Chance of rain 90 percent. Rainfall Amounts around a quarter of an Inch, except higher Amounts possible in Thunderstorms.
Tonight 13 Mar Willapa and Wahkiakum Lowlands
Rain Showers likely with a chance of Thunderstorms in the Evening, then rain with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce small hail in the evening. Snow level 1000 feet. Lows in the mid 30s. Southwest wind 5 to 10 Mph, becoming southeast after midnight. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.
Cathlamet Temperature Statistics
March Temperature
Southwest Washington Regional Airport (23.6 miles)
Lowest 6 March, 2025
30.9 °FAverage March
46.5 °FHighest 1 March, 2025
61 °F
Climate (2020–Present)
Southwest Washington Regional Airport (23.6 miles)
Average Low 2020–2025
44.9 °FAverage 2020–2025
52.7 °FAverage High 2020–2025
62.1 °F