Lake Armstrong

Mason County, WA

MAYBEConfidence · 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
Main risk
a front passing through

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

Next forecast window
MAYBE

Tue · Oct 27, 1 PM → 5 PM (America/Los_Angeles)

Full read

The latest cached fishing-weather read for Lake Armstrong in Mason County, WA 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, while the main watch-out was a front passing through. Its cached forecast evidence included wind near 7 mph out of the southwest, gusting to 14 mph; surface pressure near 1000 hPa on a rising trend; 0.02 inches of rain; and air temperature near 48 °F with light drizzle dominant. Confidence in this cached read is low; it was generated October 26, 2026, 9:16 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, 9:16 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
7mph

SW · gust 14

Rain / Weather
0.02in

Light drizzle

Temp
48°F

9°C · hum 79%

Pressure
29.53inHg

Rising

7-Day Fishing Forecast

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

  1. Mon · Oct 26
    Window passed
    MAYBE
    A front passing through
    54° / 48°F
    7 mph · SWgust 17
    0.13 in
    ↑ +2.4 hPa
  2. Tue · Oct 27
    1 PM → 5 PM
    MAYBE
    A front passing through
    52° / 43°F
    3 mph · Egust 9
    0.00 in
    ↓ -2.7 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    52° / 41°F
    2 mph · NWgust 7
    0.13 in
    ↑ +3.0 hPa
  4. Thu · Oct 29
    5 PM → 9 PM
    MAYBE
    A front passing through
    52° / 39°F
    4 mph · Ngust 12
    0.14 in
    ↓ -3.1 hPa
  5. Fri · Oct 30
    7 PM → 11 PM
    MAYBE
    A front passing through
    50° / 41°F
    4 mph · NWgust 6
    0.17 in
    ↑ +1.5 hPa
  6. Sat · Oct 31
    4 AM → 8 AM
    MAYBE
    A front passing through
    45° / 43°F
    2 mph · Wgust 7
    0.41 in
    ↑ +1.5 hPa
  7. Sun · Nov 1
    10 AM → 2 PM
    MAYBE
    A front passing through
    50° / 41°F
    4 mph · Sgust 9
    0.02 in
    ↑ +6.9 hPa

Last 3 days

Recent context — what just happened

Pressure
Falling
-3.9 hPa over 72h
Rain
Wet stretch
0.69 in totallast 72h
Wind
Calm wind
4 mph · gust 10 · SW
Temperature
Warmer
+3.8°F over 72h57–39°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.

Lake Armstrong Fishing Forecast - 7-Day Windows (WA)