Water temperature for Rainbow Trout
Warm — slow22°C est.ideal 10–18°C
0°14°28°
How to fish it · for Rainbow Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Water at 22.4°C. This is the line where catch-and-release kills brown trout. Do not fish for them today.
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 2 active hatches hour by hour with Pro.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
Top prey shown — see all 3 with Pro.
Start free trial14-day free trial. Cancel anytime.
Evidence
ModelledModerate confidence
Modelled from regional ecology — no survey or occurrence data for this water yet.
Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Quill GordonHatch
2
2
Blue QuillHatch
2
3
2
HendricksonHatch
2
2
Eastern March BrownHatch
2
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Rainbow Trout fly box
Permits & access
Permit required — see local rules.
- CROSS-BORDER rules: Vermont reaches catch-and-release (2nd Sat April–31 Oct); New York reaches (Shushan–VT line) special categories SE/WQ/CR
- Verify both states' current rules and reach boundaries
- THERMAL: summer low-clear water stresses fish — fish the cool hours.
What's coming
Plan ahead
5-day outlook
Water here around 22°C. Nothing cooler within range — carry a thermometer.
Gallery · 2
Bridge on the Green - West Arlington, Vermont Terrain map
The full read · show the working · for Rainbow Trout · confidence 90%
How the 14 is built — score × weight = contribution
Temperature7 × 28%2.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time55 × 13%7.2
Pressure75 × 7%5.3
Insect activity61 × 12%7.3
Limiting factor: Water temperature (22.4°C) is outside Rainbow Trout's preferred range (10–18°C)= 55
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
Cooler water — back toward the 10–18 °C ideal band — would lift the score and ease welfare.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- TroutSecond Saturday in April → 31 October
Related guides
Booking & contacts
Battenkill
Water temperature for Rainbow Trout
Warm — slow22°C est.ideal 10–18°C
0°14°28°
How to fish it · for Rainbow Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Water at 22.4°C. This is the line where catch-and-release kills brown trout. Do not fish for them today.
Hatch timeline · todayQuiet day
Hatch predictions
Today's headline hatch shown — see all 2 active hatches hour by hour with Pro.
Start free trial14-day free trial. Cancel anytime.
Beyond the hatch · worth watchingambient prey
Hatch predictions
Top prey shown — see all 3 with Pro.
Start free trial14-day free trial. Cancel anytime.
Evidence
ModelledModerate confidence
Modelled from regional ecology — no survey or occurrence data for this water yet.
Through the year
0–3 scale · July highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
1
Quill GordonHatch
2
2
Blue QuillHatch
2
3
2
HendricksonHatch
2
2
Eastern March BrownHatch
2
2
Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.
Ranked for today
Rainbow Trout fly box
Permits & access
Permit required — see local rules.
- CROSS-BORDER rules: Vermont reaches catch-and-release (2nd Sat April–31 Oct); New York reaches (Shushan–VT line) special categories SE/WQ/CR
- Verify both states' current rules and reach boundaries
- THERMAL: summer low-clear water stresses fish — fish the cool hours.
What's coming
Plan ahead
5-day outlook
Water here around 22°C. Nothing cooler within range — carry a thermometer.
Gallery · 2
Bridge on the Green - West Arlington, Vermont Terrain map
The full read · show the working · for Rainbow Trout · confidence 90%
How the 14 is built — score × weight = contribution
Temperature7 × 28%2.0
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time55 × 13%7.2
Pressure75 × 7%5.3
Insect activity61 × 12%7.3
Limiting factor: Water temperature (22.4°C) is outside Rainbow Trout's preferred range (10–18°C)= 55
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
Cooler water — back toward the 10–18 °C ideal band — would lift the score and ease welfare.
The dawn and dusk windows score higher than the midday lull.
Directions
Seasons & zones
- TroutSecond Saturday in April → 31 October
Related guides
Booking & contacts