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© 2026·AI-powered bite forecast
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United States / Oregon / Clackamas River

Bite forecast: Clackamas River

  • length 81 mi
  • Clackamas River basin
Loading map…

Best fishing days for the next week

  1. WednesdaySeptember 9weather-based forecast
    77/100high activity

    Clear: 55–77 °F

  2. TuesdaySeptember 8weather-based forecast
    75/100high activity

    Clear: 48–72 °F

  3. ThursdaySeptember 10weather-based forecast
    74/100high activity

    Cloudy: 61–70 °F

Nearby towns

  • Oregon City1 mi
  • Lake Oswego4 mi
  • Milwaukie5 mi

Clackamas River (Oregon) — a spot well known among anglers. About 130 km long. Nearby towns: Oregon City, Lake Oswego and Milwaukie. See when the bite is best: hourly fish activity for the days ahead, computed from the weather, pressure, and season.

Nearby rivers

  • North Fork Clackamas River4 mi
  • Roaring River6 mi

Nearby water bodies

  • ReservoirAcme Timber Company Mill Pond6 mi
  • LakeSerene Lake6 mi
  • ReservoirFrog Lake6 mi
  • ReservoirRipplebrook Pond7 mi
  • LakeRock Lakes7 mi
  • LakeRock Lakes7 mi
  • LakeRock Lakes7 mi
  • LakeShellrock Lake8 mi
  • LakePlaza Lake8 mi
  • LakeHideaway Lake8 mi
Loading map…

Bite calendar

7–Sep 13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Bite activity:highmediumlowslow
Based on:weatherseasonal
What is a bite calendar?
Coho salmonBrook troutCutthroat troutSmallmouth bassWalleyeWhitefishYellow perchBluegillChannel catfishLargemouth bassSteelheadRainbow troutBlack crappieChinook salmonLake trout

Black crappie

5/10 · Fair

Hourly activity

0:006:0012:0018:0023:00
Bite activity:highmediumlow

The bite is moderate — fish feed in short bursts. Weather is steady, with no sharp swings — fish behave predictably.

Peak bite hours

Best time — 06:00–08:00 (dawn bite) and 19:00–21:00 (dusk bite).

Tactics

Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses.

Lures

In clear water, natural colors work best: small jig or minnow bait.

Gear

Pack transitional-season clothing — mornings and evenings are chilly.

Summary

An average day — best chances during peak windows.

How this forecast is calculated

Why this forecast

The computed water temperature is around 60 °F — inside the 57–75 °F comfort range for Black crappie, so baseline activity is high.

Computed water temperature by month; the green band is the 57–75 °F comfort rangecomfort 57–75 °F60 °F
JFMAMJJASOND

Black crappie works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.

The day: daylight hours and when Black crappie feeds0:0012:0024:00

Pressure is rising 0.09 inHg over the day — the bite usually settles down after a rise.

Pressure through the day, 0.09 inHg change
00:00 · 29.9423:00 · 30.02 inHg

One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.

Feeding windows on the day scale0:0012:0024:00

September is an active season for Black crappie here.

JFMAMJJASOND

These are the same values the bite curve above was computed from. How the forecast works

7 SepMonday, September 7
+58°

Partly cloudy · feels like +53°

Low / high
+43°…+63°
Precipitation
0.00 in
Wind
10 mph W
Cloud cover
20%
Humidity
45%
Pressure
29.98 inHg
00:00+47°0.00 in8 mphnorthwest wind, 8 mph82%100%
01:00+47°0.00 in9 mphnorthwest wind, 9 mph83%100%
02:00+47°—8 mphnorthwest wind, 8 mph84%100%
03:00+47°0.00 in7 mphnorthwest wind, 7 mph85%100%
04:00+46°—7 mphnorthwest wind, 7 mph86%100%
05:00+44°—8 mphnorthwest wind, 8 mph90%100%
06:00+43°—7 mphnorthwest wind, 7 mph90%71%
07:00+44°—8 mphnorthwest wind, 8 mph89%96%
08:00+48°—8 mphnorthwest wind, 8 mph78%12%
09:00+51°—11 mphwest wind, 11 mph68%11%
10:00+53°—11 mphwest wind, 11 mph60%0%
11:00+56°—10 mphwest wind, 10 mph52%16%
12:00+58°—10 mphwest wind, 10 mph45%20%
13:00+61°—10 mphwest wind, 10 mph39%5%
14:00+62°—10 mphwest wind, 10 mph36%5%
15:00+63°—9 mphwest wind, 9 mph35%6%
16:00+63°—9 mphwest wind, 9 mph34%5%
17:00+62°—9 mphwest wind, 9 mph35%5%
18:00+61°—7 mphwest wind, 7 mph36%0%
19:00+57°—3 mphwest wind, 3 mph46%5%
20:00+53°—2 mphnorth wind, 2 mph51%0%
21:00+52°—4 mphnortheast wind, 4 mph54%0%
22:00+51°—4 mphnortheast wind, 4 mph56%0%
23:00+51°—4 mphnortheast wind, 4 mph57%0%
+63°+53°+43°
Weather throughout the day
0:006:0012:0018:0023:00

Sun and moon

Monday, September 7
The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
DaylightMoon above the horizon
Sunrise
06:30
Sunset
19:25
Day length
12 h 55 min
Sunshine hours
12 h 15 min
UV index
6
high
Moon
Waning crescent
Moonrise
02:09
Moonset
18:00

The day is 3 min shorter than yesterday.

Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.

Solunar feeding periods

+11% in the windowMonday, September 7
Feeding windows on the day scale, local time0:0012:0024:00
Major periodsMinor periods
  • Minor01:39–02:39Moonrise
  • Major09:12–11:12Moon overhead
  • Minor17:30–18:30Moonset
  • Major21:40–23:40Moon underfoot

The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.

What are solunar periods?

Measured river conditions are available for Clackamas River: current gauge height, streamflow, and water temperature when reported by the source.

Water

Water temp · measured
54 °F
In the model
60 °F

USGS gauge CLACKAMAS RIVER AT CARTER BRIDGE, NEAR ESTACADA,OR, 2 mi away · measured 2026-09-04 20:30 · data source · provisional data, subject to revision