Copperopolis Reservoir

Calaveras County, CA

GOConfidence · Medium
Best bite window
Fri · Jul 24, 10 PM → 2 AM (America/Los_Angeles)
Main reason
dry conditions across the window

GO on Copperopolis Reservoir — light winds and steady pressure trend for this window. Weather-only read (no on-water history calibrating this yet).

Full read

The current fishing-weather read for Copperopolis Reservoir in Calaveras County, CA is GO, with the best four-hour window on Fri, Jul 24 from 10 PM to 2 AM (America/Los_Angeles). The main factor in its favor is dry conditions across the window, with no loud weather risk flagged for this window. During that window the forecast calls for wind near 7 mph out of the northwest, gusting to 17 mph, surface pressure near 970 hPa on a steady trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 70 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated July 23, 2026, 11:42 AM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather alone; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED July 23, 2026, 11:42 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
7mph

NW · gust 17

Rain / Weather
0in

Overcast

Temp
70°F

21°C · hum 29%

Pressure
28.64inHg

Steady

7-Day Fishing Forecast

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

  1. Thu · Jul 23
    Window passed
    GO
    Dry conditions across the window
    90° / 57°F
    10 mph · NWgust 24
    0.00 in
    ↓ -1.8 hPa
  2. Fri · Jul 24
    4 AM → 8 AM
    GO
    Dry conditions across the window
    93° / 61°F
    8 mph · Ngust 19
    0.00 in
    ↓ -1.0 hPa
  3. Sat · Jul 25
    4 AM → 8 AM
    GO
    Dry conditions across the window
    97° / 64°F
    6 mph · Ngust 17
    0.00 in
    ↓ +0.3 hPa
  4. Sun · Jul 26
    4 AM → 8 AM
    GO
    Dry conditions across the window
    99° / 64°F
    5 mph · Ngust 17
    0.00 in
    ↓ +0.9 hPa
  5. Mon · Jul 27
    4 AM → 8 AM
    GO
    Dry conditions across the window
    100° / 66°F
    5 mph · Ngust 12
    0.00 in
    ↓ -1.7 hPa
  6. Tue · Jul 28
    4 AM → 8 AM
    GO
    Dry conditions across the window
    100° / 66°F
    6 mph · Ngust 12
    0.00 in
    ↓ -3.3 hPa
  7. Wed · Jul 29
    4 AM → 8 AM
    GO
    Dry conditions across the window
    104° / 66°F
    4 mph · Ngust 16
    0.00 in
    ↓ +0.5 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+3.5 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
9 mph · gust 21 · NW
Temperature
Cooler
-8.8°F over 72h97–66°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.