Lake Berryessa

Napa County, CA

GOConfidence · Low
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

GO on Lake Berryessa — light winds and rising pressure after a passing system for this window. Weather-only read (no on-water history calibrating this yet).

Next forecast window
GO

Tue · Oct 27, 4 AM → 8 AM (America/Los_Angeles)

Full read

The latest cached fishing-weather read for Lake Berryessa in Napa County, CA is GO. 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 4 mph out of the northeast, gusting to 10 mph; surface pressure near 990 hPa on a rising trend; 0.00 inches of rain; and air temperature near 50 °F with clear dominant. Confidence in this cached read is low; it was generated October 26, 2026, 8:51 AM 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 October 26, 2026, 8:51 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
4mph

NE · gust 10

Rain / Weather
0in

Clear

Temp
50°F

10°C · hum 51%

Pressure
29.23inHg

Rising

7-Day Fishing Forecast

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

  1. Mon · Oct 26
    Window passed
    GO
    Dry conditions across the window
    68° / 48°F
    4 mph · NEgust 14
    0.00 in
    ↓ +0.3 hPa
  2. Tue · Oct 27
    4 AM → 8 AM
    GO
    Dry conditions across the window
    68° / 48°F
    3 mph · NWgust 8
    0.00 in
    ↓ -1.8 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    GO
    Dry conditions across the window
    73° / 48°F
    4 mph · NWgust 5
    0.00 in
    ↓ -1.6 hPa
  4. Thu · Oct 29
    12 PM → 4 PM
    GO
    Dry conditions across the window
    68° / 48°F
    3 mph · SEgust 7
    0.00 in
    ↓ -2.8 hPa
  5. Fri · Oct 30
    4 AM → 8 AM
    GO
    Dry conditions across the window
    66° / 45°F
    4 mph · Wgust 10
    0.00 in
    ↑ +4.1 hPa
  6. Sat · Oct 31
    4 AM → 8 AM
    GO
    Dry conditions across the window
    66° / 39°F
    4 mph · Wgust 6
    0.00 in
    ↓ +1.0 hPa
  7. Sun · Nov 1
    4 AM → 8 AM
    GO
    Dry conditions across the window
    70° / 43°F
    4 mph · Ngust 4
    0.00 in
    ↓ -0.2 hPa

Last 3 days

Recent context — what just happened

Pressure
Steady
+3.3 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
7 mph · gust 39 · N
Temperature
Warmer
+2.9°F over 72h75–45°F range

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

About Lake Berryessa

Lake Berryessa, in Napa County, CA, is Lake Berryessa is the largest lake in Napa County, and the fifth largest human-made lake in California..

Surface area
20,700 acres
Max depth
275 ft
Elevation
443 ft
Managing agency
Bureau of Reclamation (Mid-Pacific Region, Central California Area Office; operated cooperatively with Solano County Water Agency/Solano Irrigation District)
Dam
Monticello Dam (Putah Creek)

Primary species: Largemouth bass, Smallmouth bass, Spotted bass, Channel catfish, Bullhead catfish, Black crappie, Bluegill, Redear sunfish, Rainbow trout, Brown trout, Brook trout, Chinook salmon, Kokanee salmon, Common carp.

Notable structure: rocky points, steep ridges, docks, coves with flooded/submerged trees, floating vegetation.

Nearby waters

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