reservoir
Newcastle Reservoir
Fairconditions
37°todayClear
Today’s report
Newcastle Reservoir is a fair bet today. The DWR last stocked rainbow trout (2,500 fish) on September 21. Tonight's forecast: clear, 37°F.
- calm, fishable weather
Current conditions
Stocking
Last stocked Sep 21, 2026 — rainbow trout (2,500 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Sep 21, 2026 | rainbow trout | 2,500 | 9.64" |
| Oct 2, 2025 | rainbow trout | 4,060 | 7.52" |
| Sep 30, 2025 | rainbow trout | 8,120 | 7.52" |
| Sep 24, 2025 | rainbow trout | 8,178 | 7.52" |
| Sep 16, 2025 | wiper (white × striped bass hybrid) | 2,999 | 2.4" |
| Jul 30, 2025 | wiper (white × striped bass hybrid) | 2,000 | 2.57" |
| Jul 2, 2025 | brown trout | 4,238 | 5.45" |
| Sep 25, 2024 | rainbow trout | 20,002 | 7.03" |
Best time to fish Newcastle Reservoir
The DWR has stocked Newcastle Reservoir 27 times over the last 6 seasons, and 78% of those plants landed in July, September, October — the freshest fish and the easiest bite usually follow within a week or two of a stocking.
Species
Location
Nearby waters (within ~25 mi):
Lamb LakeDaggett CountyFairParadise ReservoirUintah CountyFairEnterprise Reservoir, LowerWashington CountyToughEnterprise Reservoir, UpperWashington CountyToughPine Valley Reservoir — Pine Valley MtnWashington CountyFairBaker ReservoirWashington CountyWarning
Regulations
- Limit 2 wiper.
Special rules from the 2026 Utah Fishing Guidebook. Statewide daily limits apply to anything not listed. Rules change — always verify in the current guidebook before you fish.
This week’s weather
Tonight
37°F
Clear
Saturday
66°F
Sunny
Saturday Night
41°F
Partly Cloudy
Sunday
63°F
Mostly Sunny
Sunday Night
41°F
Partly Cloudy
Monday
62°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
Monday Night
44°F
Partly Cloudy
Tuesday
58°F
Showers And Thunderstorms Likely
60% precip
Tuesday Night
43°F
Showers And Thunderstorms Likely
64% precip
Wednesday
57°F
Chance Light Rain then Showers And Thunderstorms Likely
64% precip