Lake Berryessa

Napa County, CA

GOConfidence · Low
Best bite window
Now → 3 PM (America/Los_Angeles)
Main reason
dry conditions across the window

GO on Lake Berryessa — 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 Lake Berryessa in Napa County, CA is GO, with the best four-hour window on Thu, Jul 23 from 11 AM to 3 PM (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 4 mph out of the west, gusting to 6 mph, surface pressure near 987 hPa on a steady trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 88 °F, with a dominant forecast of clear. Confidence in this read is low; it was generated July 23, 2026, 10:38 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, 10:38 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
4mph

W · gust 6

Rain / Weather
0in

Clear

Temp
88°F

31°C · hum 24%

Pressure
29.15inHg

Steady

7-Day Fishing Forecast

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

  1. Thu · Jul 23
    Now → 3 PM
    GO
    Dry conditions across the window
    93° / 61°F
    4 mph · Wgust 13
    0.00 in
    ↓ -1.9 hPa
  2. Fri · Jul 24
    11 AM → 3 PM
    GO
    Dry conditions across the window
    99° / 63°F
    4 mph · Wgust 14
    0.00 in
    ↓ -0.5 hPa
  3. Sat · Jul 25
    4 AM → 8 AM
    GO
    Dry conditions across the window
    100° / 55°F
    5 mph · Wgust 12
    0.00 in
    ↓ -0.1 hPa
  4. Sun · Jul 26
    4 AM → 8 AM
    GO
    Dry conditions across the window
    100° / 59°F
    4 mph · Wgust 16
    0.00 in
    ↓ +0.6 hPa
  5. Mon · Jul 27
    4 AM → 8 AM
    GO
    Dry conditions across the window
    100° / 57°F
    4 mph · Wgust 11
    0.00 in
    ↓ -1.6 hPa
  6. Tue · Jul 28
    4 AM → 8 AM
    GO
    Dry conditions across the window
    102° / 55°F
    3 mph · Wgust 10
    0.00 in
    ↓ -3.3 hPa
  7. Wed · Jul 29
    4 AM → 8 AM
    GO
    Dry conditions across the window
    100° / 59°F
    4 mph · Wgust 10
    0.00 in
    ↓ +0.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+3.6 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
5 mph · gust 13 · W
Temperature
Cooler
-5.0°F over 72h100–66°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.