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Newhalem, WA · Whatcom County
Right Now
Partly Cloudy
Water
52°
Wind
4 mph
W
Gusts
7 mph
Pressure
30.20
falling
Forecast - Mon, May 18
High / Low
52° / 37°
Wind
3 mph
gusts 13 mph
Precip
0%
UV
5
Sunrise
12:19 PM
Sunset
3:43 AM
Today Read
Diablo LakeWind read
Calm
3 mph avg
Water read
52°
Cool-water mix
Air range
37° / 52°
today
Precip
0%
low concern
Today's forecast for Diablo Lake has calm wind, 37F to 52F air temperatures, 0% chance of precipitation, and 52F water.
The planner reads this page's water temp, forecast, fish species, solunar timing, reports, and imagery context so you can decide what to throw, when to go, and when to move.
Today's AI read
Transition temps can split fish between warming edges and deeper comfort zones. Wind is not the main constraint, so timing and presentation can drive the plan. Check the solunar window against hourly wind and light.
Uses this lake data
Trip read from the AI planner
Green lightFishing Forecast
NEW
Major
9:37 PM - 12:07 AM
Minor
12:46 PM - 2:16 PM
Detailed temperature readings across your lake.
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Fish Species
4Water Temperature History
Current
56°
May 24
Low
32°
Feb 15
Average
49°
Last 12 Months
Warmest avg: July (64°F)
Coolest avg: February (35°F)
Rapid warming: April → May (+8°F)
Sharpest cooling: September → October (-16°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
12am - 11pm
Peak Wind
6 mph
4pm
Peak Gust
13 mph
highest gust
Pressure
30.23 inHg
steady
Visibility
14 mi
87% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
4/5NEW
Water at 52°F -- good for cool-water species.
Fish Species
4Nearby Lakes
FAQ
Diablo Lake covers 909.00 acres (1.42 square miles)
Diablo Lake is located in Newhalem, Whatcom County, WA. It is accessible to the public for outdoor activities.