What flies are hatching on the Pemigewasset River right now?

Current and seasonal hatches on the Pemigewasset River include Hendrickson, Sulphur, March Brown. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Pemigewasset River?

The Pemigewasset River is running at 244 CFS at the At Plymouth gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the Pemigewasset River fishable today?

Yes — Pemigewasset River is rated fishable right now. Current flow is 244 CFS at the At Plymouth gauge.

Pemigewasset River Fly Fishing Conditions

Live Conditions

Pemigewasset River — At Plymouth

Fishable

244CFS

Discharge

0.68ft

Gauge Height

—

Water Temp

Updated 1 hr agoView on USGS ↗

7-Day Flow

→ Stable

RisingFallingStable

24-Hr Pressure

29.59 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

56°FOvercast

Wind 8 mph29.59 inHg Low & stable

Tough conditions — fish deep

Today

🌧️

Rain

73° / 57°

0.17"

Tomorrow

🌫️

Foggy

73° / 51°

Sat

☁️

Overcast

65° / 45°

Sun

🌦️

Drizzle

55° / 45°

0.17"

Cold front incoming — go deep with nymphs, surface activity likely slow.

Weather by Open-Meteo · No API key · Updated every 30 min

What should I fish today?

⚡ AI

AI-powered recommendation using today's live flow, temperature, and hatch data.

9

Time of Day

Using: 244 CFS · BWOs

What should I pack?

Rod, flies, tippet, and safety gear specific to today's Pemigewasset River conditions.

🪰 Hatch Calendar

Pemigewasset River · September · Early Fall

Full calendar →

Showing typical dates — water temperature data unavailable for live hatch predictions.

Select month

JanDec

BWOs (size 18-20) returning. Cool water reactivates fish. Excellent fall window.

Blue-Winged Olive

River Map

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USGS Gauge (click for site ID)Fishing Access / SectionScroll to zoom disabled — use map controls

About Pemigewasset River

A major river draining the Franconia Notch and Woodstock area. Heavily stocked with browns and rainbows; some wild fish survive in tributaries and lower-pressure reaches. Classic mid-size New England freestone — best wading in the 200–600 CFS range. The upper river around Woodstock/Thornton sees less pressure than Plymouth.

HendricksonSulphurMarch BrownGreen DrakeCaddisLight CahillTricoBlue-Winged Olive

Regulations

NH fishing license required. Stocked sections under standard NH F&G regulations.

Learn More

Guides to help you fish Pemigewasset River with more confidence.