Waters · United States
San Juan River (Quality Waters) fishing report
Updated Tuesday, 25 August 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: poor (39/100)
Rainbow Trout is the most promising species on San Juan River (Quality Waters) today. Water temperature at the gauge is 7.2°C (45°F) and barometric pressure is stable. 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: 7.2°C (45°F)
- Discharge: 28.1 m³/s (992 cfs) — up 1% over 24 hours
- Level trend: rising (0 cm/24h)
Measured at gauge SAN JUAN RIVER NEAR ARCHULETA, NM · reading 67 min ago. Published by the national hydrological service, not estimated by us.
Best time to fish today
- 08:00–10:00 local time — score 35/100
- 11:00–13:00 local time — score 40/100
- 19:00–21:00 local time — score 36/100
3-day outlook by species
| Species | Tuesday 25 Aug | Wednesday 26 Aug | Thursday 27 Aug |
|---|---|---|---|
| Rainbow Trout | 39 — poor | 40 — fair | 39 — poor |
| Brown Trout | 34 — poor | 35 — poor | 36 — poor |
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:
- pressure trend: helping (+1)
- light: helping (+1)
- precipitation: helping (+0.9)
- river flow: helping (+0.85)
- cloud cover: helping (+0.65)
- season: helping (+0.6)
Forecast computed Tue, 25 Aug 2026 12:22:24 GMT · data: Open-Meteo + gauge SAN JUAN RIVER NEAR ARCHULETA, NM · refreshed automatically through the day · see our published accuracy
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Nearby waters
- Animas River (Durango) — Colorado, USA (55 km away)
- Roaring Fork River (Glenwood Springs) — Colorado, USA (307 km away)
- Eagle River (Gypsum) — Colorado, USA (323 km away)
- Blue River (Silverthorne) — Colorado, USA (345 km away)