Porcupine Reservoir
Shasta County, CA
GO on Porcupine Reservoir — light winds and steady pressure trend for this window. Weather-only read (no on-water history calibrating this yet).
The current fishing-weather read for Porcupine Reservoir in Shasta County, CA is GO, with the best four-hour window on Sat, Sep 12 from 4 AM to 8 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 6 mph out of the south, gusting to 8 mph, surface pressure near 844 hPa on a rising trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 50 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated September 10, 2026, 1:29 PM 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.
Conditions at a glance
- Wind
- 6mph
S · gust 8
- Rain / Weather
- 0in
Overcast
- Temp
- 50°F
10°C · hum 47%
- Pressure
- 24.92inHg
Rising
7-Day Fishing Forecast
One read per day — the bite call, the window, the weather behind it
- MAYBEThu · Sep 10Window passedDry conditions across the window82° / 61°F9 mph · Sgust 230.00 in↓ -4.3 hPa
- MAYBEFri · Sep 114 AM → 8 AMDry conditions across the window77° / 57°F7 mph · Sgust 280.00 in↓ -3.1 hPa
- GOSat · Sep 124 AM → 8 AMDry conditions across the window72° / 41°F6 mph · Sgust 360.00 in→ +6.3 hPa
- GOSun · Sep 134 AM → 8 AMDry conditions across the window66° / 34°F5 mph · SEgust 110.00 in↓ -0.8 hPa
- GOMon · Sep 144 AM → 8 AMDry conditions across the window75° / 39°F5 mph · SEgust 80.00 in↓ -4.5 hPa
- GOTue · Sep 154 AM → 8 AMDry conditions across the window79° / 46°F5 mph · SEgust 80.00 in↓ +2.6 hPa
- GOWed · Sep 164 AM → 8 AMDry conditions across the window86° / 48°F4 mph · SEgust 110.00 in↓ +1.1 hPa
Last 3 days
Recent context — what just happened
Weather-only read. Confidence is capped until local water data or feedback exists.
Nearby waters
- Beaver Creek Wetlands· Lassen County, CA
- Half Cabin Reservoir· Lassen County, CA
- Lake Eiler· Shasta County, CA
- Mule Deer Flat Reservoir· Lassen County, CA
- Big Lake· Shasta County, CA
- Little Bear Lake· Shasta County, CA
Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.