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Grand Rapids, MN · Itasca County
Right Now
Mostly Cloudy
Water
49°
Wind
7 mph
S
Gusts
12 mph
Pressure
29.99
falling
Forecast - Tue, May 12
High / Low
57° / 40°
Wind
10 mph
gusts 27 mph
Precip
63%
UV
3
Sunrise
10:41 AM
Sunset
1:41 AM
Today Read
Ruby LakeWind read
Moderate
10 mph avg
Water read
49°
Cold-water pattern
Air range
40° / 57°
today
Precip
63%
watch timing
Today's forecast for Ruby Lake has moderate wind, 40F to 57F air temperatures, 63% chance of precipitation, and 49F 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. With a weak solunar score, favor stable weather windows.
Uses this lake data
Trip read from the AI planner
Short window onlyFishing Forecast
waning crescent
Major
1:11 AM - 3:41 AM
Minor
8:00 AM - 9:30 AM
Detailed temperature readings across your lake.
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Water Temperature History
Current
52°
May 17
Low
32°
Feb 16
Average
53°
Last 12 Months
Warmest avg: July (71°F)
Coolest avg: March (38°F)
Rapid warming: May → June (+15°F)
Sharpest cooling: September → October (-15°F)
Nearby Lakes
Fishing Forecast
2/5waning crescent
Water at 49°F -- target deep areas.
Nearby Lakes
FAQ
Ruby Lake covers 235.00 acres (0.37 square miles)
Ruby Lake is located in Grand Rapids, Itasca County, MN. It is accessible to the public for outdoor activities.