Generated lower Cedar River scene near Renton, Washington, not an exact location photo
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Fly fishing report · Pacific Northwest

Cedar River Fishing Report — Renton, Washington

Is Cedar River worth the trip today? Check flow, weather, hatches, access, and rules for Renton, Washington before you go.

See the flow chart ↓

Generated artwork: BlueStreamFly · Regional illustration; not the exact location.

Good day to fish?Latest river check
Good

Yes. It looks worth the trip.

No clear best access mode. Wade, Bank / edge, and Float have the same top score. Use current access, footing, weather, and local rules to choose.

Update time and confidence
Live data checkHighHow much of the live flow, weather, and alert data came back.
Today's callHighCurrent flow, weather, alerts, and trip-critical signals support this decision.
Score calculated Aug 31, 2026, 10:51 PM PDTUsually checks again about every 45 minutes
Access choicesNo clear best mode

Wade, Bank / edge, and Float have the same top score. Use current access, footing, weather, and local rules to choose.

Wade76/100

Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.

Bank / edge76/100

Bank and edge fishing remains a practical low-commitment option if access is legal and footing is safe.

Float76/100

A float is in play where this report supports boat access and wind, releases, and shuttle logistics are manageable.

Your plan

Today's Cedar River plan.

This reach is more accessible than Cedar Falls but less forgiving in other ways. Keep RiverReports open for trend context, confirm with USGS 12119000, and plan around public parks and trailheads instead of random bank cuts or salmon-viewing congestion.

Check first
Seattle's instream-flow management is part of the lower-Cedar story, so level changes are not just rain-driven.
Try
Fish from clear public anchors like parks and trail sections instead of improvising private or unsafe bank entries.
Leave when
Skip when rain muddies the lower area, warm weather stresses trout, salmon activity makes the water crowded or ethically messy, or public access is unclear.

Live river check

What the river is doing

Check the latest flow and weather before you go. A quick change can make the river harder or less safe to fish.

Showing server-checked river conditions while current readings refresh.
Flow
125 cfs
From the latest stored river check. Open the official source for the newest reading.Water 62.8°F · 24h high 63.9°F · USGS provisional
Air now
64°F

Current NWS forecast period

Next 24h high
75.0°F

NWS air forecast near

Rain chance
3%

For this forecast period

Latest stored weather check

Mostly Cloudy

Mostly Cloudy

Wind
3 mph
Weather checked
More forecast and source details
National Weather Service

Cedar River at Renton, Washington

The National Weather Service forecast is temporarily unavailable.

Live data

Where these readings come from

RiverReports gauge: Cedar River at Renton

Water 62.8°F · provisional · 24h high 63.9°F provisionalWater observed · high observed

How to fish it

How to fish Cedar River today.

The lower Cedar is a good choice when you want a public-facing Seattle-area river plan and the flow is stable enough to read. It is a poor choice if you want solitude, cool-water certainty, or vague access wandering.

01

Stable moderate flow

Best for reading seams, fishing clean drifts, and moving safely between public access points.

02

Rain bump

Can improve fish movement but quickly reduce clarity and tighten wading room along leveed banks.

03

Warm low flow

Shorten the session, favor early or late light, and release fish quickly.

04

Heavy seasonal salmon traffic

Treat fish handling and angler spacing as part of the condition report, not as an afterthought.

Fishing words used on this page
U.S. Geological Survey (USGS) gauge
A USGS gauge is an official river station that measures flow or water height.
Cubic feet per second (cfs)
Cubic feet per second, or cfs, shows how much water passes the gauge each second.
Nymph
A nymph is a young water insect. Anglers also use the word for a fly that copies it.
Seam
A seam is the line where fast and slow water meet.
Caddis
Caddis are small water insects. The adults look a little like tiny moths.
Midge
Midges are tiny flies and a common trout food, especially in cold water.
Streamer
A streamer is a fly that looks like a small fish, leech, or other swimming food.
Terrestrial
Terrestrials are land insects, such as ants, beetles, and grasshoppers.
Why this call

Why this score

FlowUse caution

USGS shows 125 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1946-2025, 80 readings) show a median near 151 cfs and the lower quartile near 131 cfs; today's flow is below normal for the date. This is below normal, so edge depth, temperature, and pressure matter.

SeasonHelps

Fall: Often the most interesting season because salmon context changes the whole river.

Water temperatureHelps

USGS water temperature is about 62.8F, and the rolling 24-hour high did not trigger a heat caution. USGS marks the temperature data provisional and may revise it.

Public alertsHelps

No active NWS alert was returned for this forecast point.

Fishing usefulnessHelps

Skip when rain muddies the lower corridor, warm weather stresses trout, salmon activity makes the water crowded or ethically messy, or public access is unclear.

Trip notes

Trip notes

Check these before you choose a reach.

Best flows

Use the Renton gauge with Seattle instream-flow context. Stable or slowly falling water with workable clarity is the best signal.

When to leave

Skip when rain muddies the lower area, warm weather stresses trout, salmon activity makes the water crowded or ethically messy, or public access is unclear.

Local plan

Start at Cedar River Park or the Cedar River Trail Park area, read the Renton gauge and current rules, then fish one compact public stretch well.

Backup water

Move to Middle Fork Snoqualmie for cooler mountain water, Cedar Falls only if the legal public edge is clear, or another Seattle-area river when the lower Cedar is warm or crowded.

What to try

Cedar River flies through the year.

Match the time of year, then let rising fish and current speed guide the next change.

SeasonWhat to look forFlies to try

Each fly name opens its matching Fly Box guide.

Access and safety

Cedar River access and rules.

Use these places as starting points. Open the access link below and check posted signs before you park or enter. Check Washington sport fishing rules and emergency changes, then match your trip to the species and seasonal protections in play that day.

Cedar River Park

A solid public starting point for lower-river orientation and short-session planning.

Cedar River Trail Park

Useful when you want path access and room to scout before stepping in.

Renton trail area

Good for public access, but still pay attention to posted limits and steep banks.

Renton public parks and trails are the cleanest access anchors on this reach.

The lower 1.25 miles near downtown Renton is heavily modified and should be treated as an urban safety area first.

Stay off soft or undercut banks, especially after rain and during high salmon traffic.

Compare another river

If this water does not fit the day, check another report before you start the drive.

River sources

Official Cedar River sources.

Official agencies and primary river operators come first. Secondary tools are labeled so you know what carries the most weight.

How this report was checked

How this report was checked

Trip guidance checked

What was checked: This report starts with official regulation, access, flow, weather, and public-land sources, then adds practical planning guidance for fly anglers.

Live measurements and forecasts keep their provider timestamps. Rules, access, and trip guidance use the source-review date shown here. BlueStreamFly planning advice is editorial interpretation, not an agency notice.

First-hand experience: BlueStreamFly does not claim a first-hand visit or local field test for this report unless a real contributor is explicitly named and linked.

Rules and closures

Check what is allowed, where the rule applies, and whether the river is open.

Flow and weather

Check the latest river reading and forecast before you leave.

Access and land

Check public entry points, land rules, and seasonal access changes.

More helpful links

Use these links for stocking, safety, and other local details.

See all 8 checked sources

Rules and closures

Check what is allowed, where the rule applies, and whether the river is open.

Flow and weather

Check the latest river reading and forecast before you leave.

Access and land

Check public entry points, land rules, and seasonal access changes.

More helpful links

Use these links for stocking, safety, and other local details.

Source check is old. Last checked . Open the official links now and check for changes.

See something wrong? Report a source problem. Please do not send private spots or private access notes.

Quick answers

Quick Cedar River answers.

Where should I start on the Cedar River near Renton?

Start with public parks and trailheads like Cedar River Park or Cedar River Trail Park so you can scout the river without guessing on access.

Is the Renton reach better than the upper Cedar?

It is better for public access, but not automatically better fishing. It fishes more like an urban area and less like a secluded mountain river.

What matters most before a lower Cedar trip?

Check RiverReports, USGS 12119000, public access, rain-driven clarity changes, and whether salmon activity should change your plan.