Newcastle Reservoir

Iron County, UT

MAYBEConfidence · Medium
Best bite window
The highlighted window has passed. This read is still based on the latest cached weather; use the 7-Day forecast below for the next window.
Main reason
dry conditions across the window

MAYBE on Newcastle Reservoir — light winds and rising pressure after a passing system for this window. Watch weather-only read (no on-water history calibrating this yet). Weather-only read (no on-water history calibrating this yet).

Next forecast window
MAYBE

Fri · Sep 11, 4 AM → 8 AM (America/Denver)

Full read

The latest cached fishing-weather read for Newcastle Reservoir in Iron County, UT is MAYBE. Its highlighted window has passed, so use the 7-day forecast below for the next available window. The main factor in its favor was dry conditions across the window. Its cached forecast evidence included wind near 3 mph out of the west, gusting to 9 mph; surface pressure near 829 hPa on a rising trend; 0.00 inches of rain; and air temperature near 66 °F with clear dominant. Confidence in this cached read is medium; it was generated September 10, 2026, 1:30 PM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED September 10, 2026, 1:30 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
3mph

W · gust 9

Rain / Weather
0in

Clear

Temp
66°F

19°C · hum 23%

Pressure
24.48inHg

Rising

7-Day Fishing Forecast

One read per day — the bite call, the window, the weather behind it

  1. Thu · Sep 10
    Window passed
    MAYBE
    Dry conditions across the window
    90° / 57°F
    3 mph · Wgust 15
    0.00 in
    ↓ -7.4 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    MAYBE
    Dry conditions across the window
    86° / 66°F
    4 mph · Sgust 25
    0.00 in
    ↓ -2.7 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    Dry conditions across the window
    82° / 68°F
    10 mph · Sgust 30
    0.00 in
    ↓ -1.4 hPa
  4. Sun · Sep 13
    7 PM → 11 PM
    SKIP
    Extreme gusts
    79° / 66°F
    14 mph · Sgust 36
    0.00 in
    ↓ +1.3 hPa
  5. Mon · Sep 14
    4 AM → 8 AM
    MAYBE
    Dry conditions across the window
    81° / 57°F
    4 mph · Egust 21
    0.00 in
    ↓ +1.1 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    MAYBE
    Dry conditions across the window
    79° / 61°F
    7 mph · SEgust 22
    0.00 in
    ↑ +4.2 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    Dry conditions across the window
    82° / 61°F
    7 mph · Sgust 9
    0.00 in
    ↓ +2.7 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+1.9 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
6 mph · gust 18 · S
Temperature
Warmer
+9.5°F over 72h88–52°F range

Weather-only read. Confidence is capped until local water data or feedback exists.

Nearby waters

Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.