Loading lake details...
Loading lake details...

Randolph, MA · Norfolk County
Right Now
Mostly Cloudy
Water
54°
Wind
4 mph
NE
Gusts
8 mph
Pressure
30.13
falling
Forecast - Wed, Apr 29
High / Low
52° / 45°
Wind
5 mph
gusts 13 mph
Precip
0%
UV
4
Sunrise
9:42 AM
Sunset
11:41 PM
Today Read
Great Pond Upper ReservoirWind read
Calm
5 mph avg
Water read
54°
Cool-water mix
Air range
45° / 52°
today
Precip
0%
low concern
Today's forecast for Great Pond Upper Reservoir has calm wind, 45F to 52F air temperatures, 0% chance of precipitation, and 54F 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
waxing gibbous
Major
4:00 AM - 4:00 AM
Minor
9:28 PM - 10:58 PM
Detailed temperature readings across your lake.
No credit card required for preview
Water Temperature History
Current
57°
May 10
Low
32°
Dec 29
Average
54°
Last 12 Months
Warmest avg: July (70°F)
Coolest avg: December (37°F)
Rapid warming: March → April (+9°F)
Sharpest cooling: October → November (-13°F)
Nearby Lakes
Fishing Forecast
3/5waxing gibbous
Water at 54°F -- good for cool-water species.
Nearby Lakes
FAQ
Great Pond Upper Reservoir covers 200.07 acres (0.31 square miles) with a maximum depth of 5.22 meters (~17 feet).
Great Pond Upper Reservoir is located in Randolph, Norfolk County, MA. It is accessible to the public for outdoor activities.