BirdTroutOpen the map North Branch Potomac River fishing report
56.3 °F at Barnum, Wv, read from USGS at build time and again when this page loaded. No reporting stretch is in the cold band right now, so fish the first hours of light and the tributary mouths. September is Blue-Winged Olive, Cranefly, Green Rock Worm / Green Weenie and Caterpillar in the Virginia mountains, across the state line — 17 insects are recorded as active.
Water temperature right now
| Gauge | Reading | July mean | Read at |
|---|---|---|---|
| Barnum, Wv | 56.3 °F | 57.7 °F | 30 Sep 2026, 13:25 UTC |
Read from USGS instantaneous values when this page was built, and rebuilt nightly. The colour is the same four-band scale the map paints from.
What is hatching in September
| Insect | Hook | Active at |
|---|---|---|
| Blue-Winged Olive | #16–22 | 38–58 °F |
| Cranefly | #6–10 | 40–65 °F |
| Green Rock Worm / Green Weenie | #10–14 | 45–68 °F |
| Caterpillar | #8–14 | 55–75 °F |
| Crayfish | #4–8 | 55–78 °F |
| Black Ant | #14–20 | 55–80 °F |
| Isonychia / Slate Drake | #10–14 | 55–70 °F |
| Leafhopper | #18–22 | 58–75 °F |
| Little Yellow May | #16–18 | 58–70 °F |
| Grasshopper | #8–12 | 60–80 °F |
| Trico | #20–24 | 58–72 °F |
| Cinnamon Flying Ant | #16–20 | 58–78 °F |
| Cricket | #10–14 | 55–75 °F |
| White Fly | #12–14 | 62–74 °F |
| Mahogany Dun | #16–18 | 45–58 °F |
| October Caddis | #8–10 | 45–58 °F |
| Water Boatman | #14–18 | 45–65 °F |
More about North Branch Potomac River
North Branch Potomac River — live water temperature, regulations and access
- When to fish the North Branch Potomac River, West Virginia
- How to get to the North Branch Potomac River, West Virginia
- North Branch Potomac River fishing regulations