Rialto, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Rialto, CA.

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Current Conditions — Rialto, CA

UPLAND (KCCB)

Clear

60.8 F
Humidity:59%
Wind Speed:SW 6.9 mph
Barometer:29.94 in
Dewpoint:46.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 24 2026, 09:15 AM PDT
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5-Day Forecast — Rialto, CA

Friday

High 77 °F
Forecast Missing
Friday
Night
Low 55 °F
Forecast Missing
Saturday

High 68 °F
Forecast Missing
Saturday
Night
Low 53 °F
Forecast Missing
Sunday

High 68 °F
Forecast Missing
Sunday
Night
Low 53 °F
Forecast Missing
Monday

High 71 °F
Forecast Missing
Monday
Night
Low 50 °F
Forecast Missing
Tuesday

High 77 °F
Forecast Missing

Detailed Forecast — Rialto, CA

Friday
Forecast Missing. High near 77°F. Wind 5 to 15 mph, with gusts as high as 24 mph.
Friday Night
Forecast Missing. Low around 55°F. Wind 2 to 13 mph, with gusts as high as 22 mph.
Saturday
Forecast Missing. High near 68°F. Wind 6 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Forecast Missing. Low around 53°F. Wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday
Forecast Missing. High near 68°F. Wind 8 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Forecast Missing. Low around 53°F. Wind 3 to 8 mph, with gusts as high as 15 mph.
Monday
Forecast Missing. High near 71°F. Wind 5 to 13 mph, with gusts as high as 24 mph.
Monday Night
Forecast Missing. Low around 50°F. Wind 2 to 6 mph, with gusts as high as 14 mph.
Tuesday
Forecast Missing. High near 77°F. Wind 6 to 13 mph, with gusts as high as 26 mph.
Tuesday Night
Forecast Missing. Low around 53°F. Wind 5 to 8 mph, with gusts as high as 18 mph.
Wednesday
Forecast Missing. High near 75°F. Wind 7 to 14 mph, with gusts as high as 28 mph.
Wednesday Night
Forecast Missing. Low around 53°F. Wind 5 to 7 mph, with gusts as high as 17 mph.
Thursday
Forecast Missing. High near 80°F. Wind 6 to 13 mph, with gusts as high as 24 mph.
CA Radar
Current Radar • CA
Day 1 Outlook • April 24, 2026

Observation History — Rialto, CA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
09:15 AM PDT SW 6.9 10.00 Clear -- 60.8 46.4 59% NA NA 29.94 1013.9
08:35 AM PDT W 6.9 10.00 Clear -- 59.0 48.2 67% NA NA 29.95 1014.2
08:15 AM PDT W 5.7 10.00 Clear -- 59.0 44.6 59% NA NA 29.94 1013.9
07:35 AM PDT SW 4.6 10.00 Clear -- 57.2 44.6 63% NA NA 29.94 1013.9
07:15 AM PDT 0.0 10.00 Clear -- 57.2 44.6 63% NA NA 29.93 1013.5
06:35 AM PDT 10.00 Clear -- NULL % NA NA M
06:15 AM PDT 4.6 10.00 NULL -- 55.4 42.8 62% NA NA 29.91 1012.9
05:35 AM PDT 4.6 10.00 NULL -- 53.6 42.8 67% NA NA 29.91 1012.9
05:15 AM PDT 3.4 10.00 NULL -- 55.4 42.8 62% NA NA 29.91 1012.9
04:55 AM PDT 10.00 NULL -- NULL % NA NA M
04:35 AM PDT 0.0 10.00 Partly Cloudy -- 55.4 42.8 62% NA NA 29.91 1012.9
04:15 AM PDT 3.4 10.00 Partly Cloudy -- 55.4 41.0 58% NA NA 29.91 1012.9
03:55 AM PDT 10.00 Mostly Cloudy -- NULL % NA NA M
03:35 AM PDT 10.00 Mostly Cloudy -- NULL % NA NA M
03:15 AM PDT 4.6 10.00 Mostly Clear -- 55.4 42.8 62% NA NA 29.92 1013.2
02:55 AM PDT 10.00 Clear -- NULL % NA NA M
02:35 AM PDT 5.7 10.00 NULL -- 55.4 44.6 67% NA NA 29.92 1013.2
02:15 AM PDT 5.7 10.00 NULL -- 55.4 44.6 67% NA NA 29.92 1013.2
01:35 AM PDT 0.0 10.00 NULL -- 57.2 44.6 63% NA NA 29.93 1013.5
01:15 AM PDT 0.0 10.00 NULL -- 57.2 44.6 63% NA NA 29.94 1013.9
12:55 AM PDT 0.0 10.00 NULL -- 59.0 44.6 59% NA NA 29.94 1013.9
12:35 AM PDT 0.0 10.00 Clear -- 57.2 44.6 63% NA NA 29.95 1014.2
12:15 AM PDT 3.4 10.00 Clear -- 59.0 44.6 59% NA NA 29.96 1014.6
11:55 PM PDT 0.0 10.00 Clear -- 59.0 44.6 59% NA NA 29.96 1014.6

Regional Weather Observation

UPLAND (KCCB)

Clear
60.8 F

ONTARIO (KONT)

Clear
62.6 F

LA VERNE/BRACKET (KPOC)

Clear
60.8 F

SAN BERNARDINO (KSBD)

Clear
60.8 F

(KGXA)


F

VICTORVILLE (KVCV)

Clear
62.6 F
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