Falcon Lake

Boulder County, CO

MAYBEConfidence · Medium

Best bite window

Fri · Sep 11, 10 PM → 2 AM (America/Denver)

Main reason

dry conditions across the window

Main risk

a front passing through

MAYBE on Falcon Lake — 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).

Full read

The current fishing-weather read for Falcon Lake in Boulder County, CO is MAYBE, with the best four-hour window on Fri, Sep 11 from 10 PM to 2 AM (America/Denver). The main factor in its favor is dry conditions across the window, and the main watch-out is a front passing through. During that window the forecast calls for wind near 6 mph out of the west, gusting to 17 mph, surface pressure near 664 hPa on a rising trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 41 °F, with a dominant forecast of clear. Confidence in this read is medium; it was generated September 10, 2026, 1:28 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.

UPDATED September 10, 2026, 1:28 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind: 6mph
W · gust 17
Rain / Weather: 0in
Clear
Temp: 41°F
5°C · hum 66%
Pressure: 19.61inHg
Rising

7-Day Fishing Forecast

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

Thu · Sep 10
Window passed
MAYBE
A front passing through
57° / 32°F
7 mph · Wgust 17
0.00 in
↓ -10.3 hPa
Fri · Sep 11
4 AM → 8 AM
MAYBE
A front passing through
55° / 39°F
12 mph · Wgust 43
0.00 in
↓ +1.0 hPa
Sat · Sep 12
6 AM → 10 AM
MAYBE
A front passing through
61° / 39°F
3 mph · SWgust 25
0.00 in
↓ -0.2 hPa
Sun · Sep 13
4 AM → 8 AM
MAYBE
A front passing through
64° / 39°F
5 mph · SWgust 34
0.07 in
↓ -3.2 hPa
Mon · Sep 14
4 AM → 8 AM
MAYBE
A front passing through
59° / 37°F
6 mph · Wgust 29
0.09 in
↑ +7.5 hPa
Tue · Sep 15
5 PM → 9 PM
MAYBE
A front passing through
55° / 37°F
7 mph · Wgust 30
0.12 in
↓ +2.5 hPa
Wed · Sep 16
4 AM → 8 AM
MAYBE
A front passing through
54° / 34°F
4 mph · Wgust 19
0.06 in
↑ +6.3 hPa

Last 3 days

Recent context — what just happened

Pressure

Rising

+12.1 hPa over 72h

Rain

Dry stretch

0.00 in totallast 72h

Wind

Gusty

12 mph · gust 38 · W

Temperature

Cooler

-8.3°F over 72h59–34°F range

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

Nearby waters

Twin Lakes· Boulder County, CO
Chasm Lake· Boulder County, CO
Lake Nanita· Grand County, CO
The Loch· Larimer County, CO
Lake Nokoni· Grand County, CO
Dream Lake· Larimer County, CO

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