Lake St. John (Orillia)

Lake · Simcoe County · Ontario · near Orillia

Today’s fishing score

66out of 100 · 2026-09-14 · Fair

Computed from live weather, water temperature and the species documented here. Sign in to weight it by your own target species and distance.

Medium certaintyScore certainty breakdown

Every real factor behind this score, and whether we have real data for it or a conservative fallback.

What went into today’s score

What went into the conditions number

These weights are the configured ones and are not normalised — they set the relative pull of each sub-factor, not a share of a hundred.

Your own preferences then move the result by ×1.04, within a maximum of ±15%.

Night 9°C · Day 17°C

14 km/h wind · 0 mm rain · 22% cloud cover

Pressure rising, +9.6 hPa over 24 h

Forecast

Daily score, Sep 14 to Sep 21

All 8 days as a table

Daily fishing score and water temperature
Date	Score	Rating	Water temp
Sep 14	66	Fair	16.9 °C
Sep 15	72	Good	16.5 °C
Sep 16	69	Fair	16.6 °C
Sep 17	70	Good	16.6 °C
Sep 18	73	Good	16.5 °C
Sep 19	77	Good	16.1 °C
Sep 20	74	Good	16.0 °C
Sep 21	70	Good	15.7 °C

Water temperature, 15.7–16.9 °C over the same window

A real summary from official government data, not a legal source - always confirm current regulations before fishing.

9 more documented here