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Tide & TempNOAA tides and water temperature

Great Lakes

Lake Erie water temperature

Lake-average surface temperature 64.5 F (18.0 C) on Saturday, October 17, 2026.

NOAA GLERL GLSEA daily analysis; updated once a day, usually with a one-day lag.

Lake Erie lake-average surface water temperature is 64.5 F (18.0 C) as of October 17, 2026, from NOAA GLERL's GLSEA analysis.
That is 0.5 F cooler than a week earlier (64.9 F on October 10, 2026).
On the same date last year Lake Erie averaged 65.1 F.
So far in 2026 the warmest day was 77.0 F on July 15, 2026 and the coldest 32.4 F on January 23, 2026.

2026 (F)2025

Last 14 days

Date	F	C
Oct 17	64.5	18.04
Oct 16	64.8	18.21
Oct 15	65.0	18.35
Oct 14	65.3	18.50
Oct 13	65.5	18.63
Oct 12	65.3	18.51
Oct 11	65.1	18.38
Oct 10	64.9	18.30
Oct 9	65.0	18.36
Oct 8	65.3	18.48
Oct 7	65.5	18.59
Oct 6	65.8	18.76
Oct 5	66.2	18.98
Oct 4	66.4	19.12

Shore sensors and buoys near Lake Erie

Point readings at the shore or on a buoy differ from the lake-wide average; nearshore water is usually warmer in summer.

FairportCO-OPS sensor · 61.3 F
ClevelandCO-OPS sensor · 63.3 F
AlgonacCO-OPS sensor · 58.8 F
MarbleheadCO-OPS sensor · 60.8 F
ToledoCO-OPS sensor · 61.3 F
Harbor BeachCO-OPS sensor · 53.1 F
Buoy 45132, Port Stanley61.9 F
Buoy FAIO1, 9063053 - Fairport, OH61.3 F
Buoy 45207, Mentor Harbor Buoy62.6 F
Buoy 45164, Cleveland Buoy, OH63.9 F
Buoy 45197, Euclid, OH63.9 F
Buoy CNDO1, 9063063 - Cleveland, OH63.1 F

Source: NOAA GLERL Great Lakes Surface Environmental Analysis (GLSEA), daily lake-average surface temperature from satellite imagery. CSV of every day this year and last.