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In Pennsylvania, East Branch Clarion River Lake is a reservoir used for time on and around the water. It covers roughly 1,160 surface acres (about 2 square miles). For this location, LakeRadar tracks an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. Other waters in the region include Allegheny Reservoir. Forecasts for East Branch Clarion River Lake come from the National Weather Service and refresh several times a day.
Updated
No active alerts for this lake as of the last check (Oct 11, 1:05 AM EDT). Alerts are re-checked automatically; see the official source for updates.
Overall Good (82/100) across 4 activities. Best right now: Boating (86/100).
How the score is calculated →Best good fishing window, averaging 76/100 across these hours. Wind 6 mph from the southeast. Sky is cloudy (87% cloud cover). 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) | 52° | 52° | 52° | 52° | 52° | 52° | 52° | 52° | 52° | 55° | 57° | 58° | 58° | 59° | 60° | 60° | 59° | 60° | 58° | 58° | 57° | 57° | 57° | 57° |
| Wind (kts) | 5 | 5 | 6 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 9 | 8 | 7 | 8 | 7 | 5 | 4 | 2 | 1 | 1 |
| Direction | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | E | E | E | E | NE |
| Gusts (kts) | 16 | 17 | 17 | 18 | 19 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 13 | 11 | 9 | 8 | 7 |
| Precip % | 22% | 32% | 40% | 48% | 57% | 65% | 73% | 81% | 90% | 98% | 97% | 96% | 95% | 92% | 84% | 71% | 59% | 48% | 37% | 29% | 18% | 15% | 12% | 9% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 1 AM EDT | 52°F | 6 mph SE (135°) | 18 mph | 22% | 84% | Slight Chance Light Rain |
| Sun, 2 AM EDT | 52°F | 6 mph SE (135°) | 20 mph | 32% | 87% | Chance Light Rain |
| Sun, 3 AM EDT | 52°F | 7 mph SE (135°) | 20 mph | 40% | 89% | Chance Light Rain |
| Sun, 4 AM EDT | 52°F | 9 mph SE (135°) | 21 mph | 48% | 91% | Chance Light Rain |
| Sun, 5 AM EDT | 52°F | 10 mph SE (135°) | 22 mph | 57% | 94% | Light Rain Likely |
| Sun, 6 AM EDT | 52°F | 10 mph SE (135°) | 23 mph | 65% | 96% | Light Rain Likely |
| Sun, 7 AM EDT | 52°F | 12 mph SE (135°) | 23 mph | 73% | 98% | Light Rain Likely |
| Sun, 8 AM EDT | 52°F | 12 mph SE (135°) | 24 mph | 81% | 100% | Rain |
| Sun, 9 AM EDT | 52°F | 12 mph SE (135°) | 24 mph | 90% | 100% | Rain |
| Sun, 10 AM EDT | 55°F | 12 mph SE (135°) | 25 mph | 98% | 100% | Rain |
| Sun, 11 AM EDT | 57°F | 10 mph SE (135°) | 25 mph | 97% | 100% | Rain |
| Sun, 12 PM EDT | 58°F | 12 mph SE (135°) | 25 mph | 96% | 100% | Rain |
| Sun, 1 PM EDT | 58°F | 12 mph SE (135°) | 25 mph | 95% | 100% | Rain |
| Sun, 2 PM EDT | 59°F | 12 mph SE (135°) | 24 mph | 92% | 100% | Rain |
| Sun, 3 PM EDT | 60°F | 10 mph SE (135°) | 23 mph | 84% | 99% | Rain |
| Sun, 4 PM EDT | 60°F | 9 mph SE (135°) | 22 mph | 71% | 98% | Rain Likely |
| Sun, 5 PM EDT | 59°F | 8 mph SE (135°) | 21 mph | 59% | 98% | Rain Likely |
| Sun, 6 PM EDT | 60°F | 9 mph SE (135°) | 20 mph | 48% | 97% | Chance Light Rain |
| Sun, 7 PM EDT | 58°F | 8 mph SE (135°) | 18 mph | 37% | 96% | Chance Light Rain |
| Sun, 8 PM EDT | 58°F | 6 mph E (90°) | 15 mph | 29% | 95% | Chance Light Rain |
| Sun, 9 PM EDT | 57°F | 5 mph E (90°) | 13 mph | 18% | 94% | Slight Chance T-storms |
| Sun, 10 PM EDT | 57°F | 2 mph E (90°) | 10 mph | 15% | 93% | Slight Chance T-storms |
| Sun, 11 PM EDT | 57°F | 1 mph E (90°) | 9 mph | 12% | 92% | Patchy Fog |
| Mon, 12 AM EDT | 57°F | 1 mph NE (45°) | 8 mph | 9% | 94% | Patchy Fog |
| Mon, 1 AM EDT | 56°F | Calm | 6 mph | 6% | 86% | Patchy Fog |
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 | Overnight October 11, 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) | 52° | 60° | 54° | 70° | 55° | 76° | 57° | 68° | 45° | 64° | 44° | 62° | 38° | 53° |
| Wind | SE 6 to 10 mph | SE 8 to 12 mph | NE 0 to 9 mph | NW 5 mph | SW 2 to 6 mph | SW 6 to 12 mph | W 6 to 9 mph | W 9 mph | NW 2 to 7 mph | NE 6 mph | SE 6 to 12 mph | SW 13 mph | W 9 to 13 mph | NW 14 mph |
| Gusts | 22 mph | 25 mph | 20 mph | 13 mph | 16 mph | 22 mph | 21 mph | 17 mph | 15 mph | 14 mph | 23 mph | 27 mph | 25 mph | 27 mph |
| Precip % | 57% | 98% | 48% | 0% | 5% | 24% | 35% | 21% | 21% | 18% | 49% | 57% | 57% | 32% |
| Forecast |
Nearby river temperature: 55.4°F at EB Clarion River at EB Clarion River Dam, PA (0.3 mi away) · Oct 11, 4:45 AM UTC
Good for fishing (81/100), from 5 available inputs. Supporting this: Wind 6 mph from the southeast. 22% 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.
Good for boating (86/100), from 4 available inputs. Supporting this: Wind 6 mph from the southeast. No active official alerts for this lake. 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.
Good for sailing (76/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 6 mph from the SE is workable but not ideal. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Good for kayaking (85/100), from 5 available inputs. Supporting this: Wind 6 mph from the southeast. No active official alerts for this lake. 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 PA Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
East Branch Clarion River Lake is a scenic freshwater reservoir situated in PA, offering expansive waters for recreational boating and dedicated sport anglers. The surrounding topography influences local wind and wave dynamics, creating ideal windows for morning paddling and afternoon cruising. Consult local ramp status and safety rules prior to arrival.
Valid freshwater sport fishing license issued by Pennsylvania Fish and Boat Commission (PFBC) is required for anglers age 16+. 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.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include Rainbow Trout, Brown Trout, Smallmouth 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 East Branch Clarion River Lake 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, 1:05 AM EDT