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Lake Quannapowitt is one of the lakes LakeRadar tracks in Massachusetts. Its recorded surface area is approximately 250 acres. Nearby alternatives include Walden Pond, Lake Attitash, and Assawompset Pond. The page brings together an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. Check the hourly forecast and activity outlook below before heading out to Lake Quannapowitt.
Updated
No active alerts for this lake as of the last check (Oct 11, 1:43 AM EDT). Alerts are re-checked automatically; see the official source for updates.
Overall Good (88/100) across 4 activities. Best right now: Boating (99/100).
How the score is calculated →Best excellent fishing window, averaging 90/100 across these hours. Wind 1 mph from the south. Dawn hours (06:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 46° | 45° | 44° | 44° | 44° | 44° | 44° | 46° | 50° | 55° | 59° | 61° | 62° | 64° | 63° | 63° | 63° | 61° | 60° | 58° | 56° | 55° | 54° | 54° |
| Wind (kts) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 5 | 6 | 6 | 5 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| Direction | S | S | S | S | SW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SE | SE | E | E | E |
| Gusts (kts) | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 5 | 8 | 8 | 9 | 10 | 10 | 8 | 7 | 6 | 6 | 6 | 5 | 4 | 4 | 4 |
| Precip % | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 2% | 2% | 5% | 8% | 15% | 20% | 26% | 35% | 51% | 59% | 95% | 98% | 99% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 1 AM EDT | 46°F | 1 mph S (180°) | 1 mph | 0% | 46% | Partly Cloudy |
| Sun, 2 AM EDT | 45°F | 1 mph S (180°) | 2 mph | 0% | 53% | Mostly Cloudy |
| Sun, 3 AM EDT | 44°F | 1 mph S (180°) | 2 mph | 0% | 36% | Partly Cloudy |
| Sun, 4 AM EDT | 44°F | 1 mph S (180°) | 2 mph | 0% | 29% | Partly Cloudy |
| Sun, 5 AM EDT | 44°F | 1 mph SW (225°) | 2 mph | 0% | 26% | Partly Cloudy |
| Sun, 6 AM EDT | 44°F | 1 mph S (180°) | 2 mph | 0% | 45% | Mostly Sunny |
| Sun, 7 AM EDT | 44°F | 1 mph S (180°) | 4 mph | 0% | 46% | Mostly Sunny |
| Sun, 8 AM EDT | 46°F | 2 mph S (180°) | 5 mph | 0% | 50% | Mostly Sunny |
| Sun, 9 AM EDT | 50°F | 2 mph S (180°) | 5 mph | 0% | 46% | Mostly Sunny |
| Sun, 10 AM EDT | 55°F | 3 mph S (180°) | 6 mph | 0% | 65% | Partly Sunny |
| Sun, 11 AM EDT | 59°F | 5 mph S (180°) | 9 mph | 1% | 86% | Mostly Cloudy |
| Sun, 12 PM EDT | 61°F | 6 mph S (180°) | 9 mph | 2% | 85% | Mostly Cloudy |
| Sun, 1 PM EDT | 62°F | 6 mph S (180°) | 10 mph | 2% | 94% | Cloudy |
| Sun, 2 PM EDT | 64°F | 7 mph S (180°) | 12 mph | 5% | 92% | Cloudy |
| Sun, 3 PM EDT | 63°F | 7 mph S (180°) | 12 mph | 8% | 94% | Cloudy |
| Sun, 4 PM EDT | 63°F | 6 mph S (180°) | 9 mph | 15% | 92% | Slight Chance Rain Showers |
| Sun, 5 PM EDT | 63°F | 5 mph S (180°) | 8 mph | 20% | 93% | Slight Chance Rain Showers |
| Sun, 6 PM EDT | 61°F | 5 mph S (180°) | 7 mph | 26% | 89% | Chance Rain Showers |
| Sun, 7 PM EDT | 60°F | 3 mph S (180°) | 7 mph | 35% | 92% | Chance Rain Showers |
| Sun, 8 PM EDT | 58°F | 3 mph SE (135°) | 7 mph | 51% | 92% | Chance Rain Showers |
| Sun, 9 PM EDT | 56°F | 3 mph SE (135°) | 6 mph | 59% | 88% | Rain Showers Likely |
| Sun, 10 PM EDT | 55°F | 3 mph E (90°) | 5 mph | 95% | 100% | Rain Showers |
| Sun, 11 PM EDT | 54°F | 3 mph E (90°) | 5 mph | 98% | 100% | Rain Showers |
| Mon, 12 AM EDT | 54°F | 3 mph E (90°) | 5 mph | 99% | 100% | Rain Showers |
| Mon, 1 AM EDT | 54°F | 3 mph E (90°) | 6 mph | 98% | 100% | Rain Showers |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | Tonight October 10, 2026 | Sunday October 11, 2026 | Sunday Night October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 43° | 64° | 53° | 68° | 51° | 61° | 55° | 69° | 48° | 61° | 46° | 60° | 49° | 59° |
| Wind | S 1 mph | S 1 to 7 mph | E 3 to 7 mph | N 2 to 7 mph | N 2 to 9 mph | E 9 mph | S 9 mph | W 12 mph | NW 8 mph | NW 7 to 10 mph | NW 7 mph | SW 6 to 10 mph | SW 8 to 12 mph | W 12 to 15 mph |
| Gusts | 2 mph | 12 mph | 12 mph | 12 mph | 13 mph | 15 mph | 18 mph | 22 mph | 17 mph | 20 mph | 13 mph | 20 mph | 20 mph | 30 mph |
| Precip % | 0% | 20% | 99% | 42% | 9% | 34% | 68% | 50% | 11% | 10% | 11% | 35% | 45% | 39% |
| Forecast |
Good for fishing (83/100), from 5 available inputs. Supporting this: Wind 1 mph from the south. 0% chance of precipitation. Not available from a verified source for this lake: pressure trend, water temperature. Confidence is moderate (74%) because some inputs are unavailable or older than ideal.
Excellent for boating (99/100), from 4 available inputs. Supporting this: Wind 1 mph from the south. Gusts to 1 mph. Not available from a verified source for this lake: visibility and conditions, verified water access. Confidence is moderate (84%) because some inputs are unavailable or older than ideal.
Fair for sailing (68/100), from 4 available inputs. Supporting this: Gusts are within 0 mph of sustained wind, so the breeze is steady. No active official alerts for this lake. Working against it: Wind 1 mph is light; expect limited sailing. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Excellent for kayaking (97/100), from 5 available inputs. Supporting this: Wind 1 mph from the south. Gusts to 1 mph. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of MA Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Anchored in the heart of MA, Lake Quannapowitt serves as a central hub for boating excursions, weekend camping, and sport fishing. The lake features varied bottom contours and shoreline cover that support diverse aquatic life. Launch ramps and recreational amenities are overseen by state and local natural resource agencies.
Valid freshwater sport fishing license issued by Massachusetts Division of Fisheries and Wildlife (MassWildlife) is required for anglers age 15+. Digital license on mobile is accepted.
Current motorized watercraft registration mandatory. Practice Clean, Drain & Dry protocols: drain all livewells and inspect props before launching. Life jackets required for all passengers.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
Low-wake cruising, electric-troll fishing craft, and quiet-water exploration. Target gamefish include Striped Bass, Common Carp, Largemouth Bass, Yellow Perch. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
Mild year-round outdoor climate. Uncrowded waters, active winter bass and crappie fishing, and open year-round boat launch access.
No external source rows are cited by the data currently shown on this page.
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for Lake Quannapowitt is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 1:43 AM EDT