Ontario Intl

Name: Ontario Intl
Address: US

Weather station · 34.1°N 117.6°W · 279 m above sea level

ICAO KONTWMO 74704

Right now21.1°C16:53 UTC · 16 min agoSource: NOAA METAR

Today so far21.1°/20.0°High at 16:53 UTC · low at 14:53 UTCSource: NOAA METAR and SYNOP

All-time record high—No history linked for this station yetSource: NOAA GHCN-Daily

All-time record low—No history linked for this station yetSource: NOAA GHCN-Daily

Satellite preview of the station site

Ontario Intl · 21.1°C

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Satellite view of the station and the ground around it

Recent days

Daily highest and lowest air temperature at Ontario Intl, most recent first.
Day	High	At	Low	At
2026-09-22	21.1°C	16:53 UTC	20.0°C	14:53 UTC

Where each figure on this page comes from.
Figure	Source	Type
Right now, today so far	NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP)	Measured, station
Nearby stations and distances	Computed from station positions in our own database	Calculated