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Rock Lake — Boating Conditions
Tides, water temp & weather • Whitman County, WA
Boating Conditions at Rock Lake
Current wind, air and water temperature, tide times and a 10-day forecast for Rock Lake on Rock Lake in Whitman County, Washington. Check conditions before you launch.
Right Now
Clear
Calm — good conditions to get on the water
Air Temp
79°F
Wind
3 mph
gusts 3 mph
Next Few Hours
Now
☀️
79°
3 mph
6PM
☀️
77°
3 mph
7PM
☀️
71°
5 mph
8PM
☀️
67°
3 mph
9PM
☀️
65°
1 mph
10PM
☀️
63°
3 mph
10-Day Boating Forecast
Sat, 9/19
🌫️
79° / 48°
Wind 5, gusts 8 mph
Sun, 9/20
☀️
84° / 54°
Wind 8 mph
Mon, 9/21
⛅
84° / 56°
Wind 8, gusts 12 mph
Tue, 9/22
⛅
78° / 62°
Wind 14 mph
Wed, 9/23
⛅
71° / 55°
Wind 15, gusts 23 mph
1% rain
Thu, 9/24
⛅
71° / 52°
Wind 7, gusts 16 mph
3% rain
Fri, 9/25
🌧️
61° / 50°
Wind 19, gusts 23 mph
12% rain
Sat, 9/26
⛅
61° / 44°
Wind 12, gusts 25 mph
12% rain
Sun, 9/27
⛅
63° / 48°
Wind 14 mph
5% rain
Mon, 9/28
⛅
61° / 48°
Wind 13 mph
5% rain
Weather & wave data from Open-Meteo. Tides & water temperature from NOAA CO-OPS. Conditions are estimates for trip planning — always confirm locally and check official marine forecasts before heading out.
