Waters · United States
San Juan River (Quality Waters) fishing report
Updated Friday, 9 October 2026 · refreshed automatically through the day
Four miles of catch-and-release tailwater below Navajo Dam in high desert, fished with midge patterns barely larger than a pinhead. Steady cold releases mean January fishes much like July.
Today's report: excellent (86/100)
Brown Trout is the most promising species on San Juan River (Quality Waters) today. Water temperature at the gauge is 10.9°C (52°F) and barometric pressure is rising. Gauge SAN JUAN RIVER NEAR ARCHULETA, NM shows the water level rising (0 cm/24h).
San Juan River (Quality Waters) water temperature and flow
- Water temperature: 10.9°C (52°F)
- Discharge: 7.9 m³/s (279 cfs) — up 2% over 24 hours
- Level trend: rising (0 cm/24h)
Measured at gauge SAN JUAN RIVER NEAR ARCHULETA, NM · reading 22 min ago. Published by the national hydrological service, not estimated by us.
Best time to fish today
- 00:00–02:00 local time — score 88/100
- 07:00–09:00 local time — score 92/100
- 19:00–21:00 local time — score 84/100
3-day outlook by species
| Species | Friday 9 Oct | Saturday 10 Oct | Sunday 11 Oct |
|---|---|---|---|
| Rainbow Trout | 77 — good | 80 — good | 81 — excellent |
| Brown Trout | 86 — excellent | 91 — excellent | 90 — excellent |
Why this score
Cast & Scan uses a deterministic, published scoring model — no black box. The strongest influences on today's San Juan River (Quality Waters) rating:
- water temperature: helping (+1)
- pressure trend: helping (+1)
- solunar period: helping (+1)
- season: helping (+1)
- wind: helping (+0.9)
- precipitation: helping (+0.9)
Forecast computed Sat, 10 Oct 2026 03:36:47 GMT · data: Open-Meteo + gauge SAN JUAN RIVER NEAR ARCHULETA, NM · refreshed automatically through the day · see our published accuracy
Wondering how this stacks up against the apps you already know? Cast & Scan vs Fishbrain vs BassForecast — an honest comparison, including where they beat us.
Read before you go
- Trout stream tactics, read through the forecast
- How river flow trend changes the bite
- Barometric pressure and fishing, explained
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Nearby waters
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- Green River (Flaming Gorge) — Utah, USA (480 km away)