XGY   Grimsby Mountain, ON Weather Observed At   43-11  N    79-34  W

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2026-08-05	12:10am			Max		Min
Weather		----
Temperature		17.3 °C		17.3 °C	12:05am	17.2 °C	12:02am
Relative Humidity		80 %		80 %	12:00am	80 %	12:00am
Dew Point		13.8 °C		13.9 °C	12:00am	13.3 °C	12:00am
Wind Velocity		203 ° at  0.0 G 0.0 kt		0.0 kt	----m
Pressure		30.078 "  ↑		30.078 "	12:00am	30.075 "	12:08am
Rainfall Rate		0.0 mm/h		0.0 mm/h	----m
Snow On Ground		0 cm
Brightness / Darkness		0 W/m² /  19.87 m/"²		0 W/m²	----m	19.99 m/"²	11:01pm
Remarks

Rainfall	Today	0.0 mm	Storm Total	0.0 mm
Snowfall	Today	0.0 cm	Storm Total	0.0 cm

Evapotranspiration

Today

-0.00 mm

Lake Conditions

Water Temperature  19.7 °C

Waves  CALM

ICE FREE

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Meteor Index	97   Perseids
Aurora Index / Solar	1   Quiet   - 1 nT	Solar Flux   118  sfu  /   S 0    G 0    R 0   /  MUF   23.4 MHz

Sunrise	6:13am	Sunset	8:35pm
Moonrise	N/A	Moonset	N/A	Moon Phase	Last Quarter

Grimsby Mountain Weather Maps
Local	Regional	Area	Synoptic
updated H+09 and every 10m	updated H+19 and H+49	updated H+19

Ontario 6-Hour Meteorological Summary

Canadian 6-Hour Meteorological Summaries

CLIMAT Data
Official	Yesterday					2004	2005	2006	2007	2008	2009	Normals & Records
		2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
		2020	2021	2022	2023	2024	2025	2026

Grimsby Mountain Charts

	Sky Quality (Darkness) Meter courtesy of

              

Wx Map	Sat Pix	IR Sat Pix	Radar	Lightning
	Water	Ice

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  This is a privately operated weather station that is part of the Meteorological Service of Canada's official observing network.
Permission to publish the weather statistics found on this website is not required.
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