Grenada, CA Weather Forecast & Alerts

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

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Current Conditions — Grenada, CA

MONTAGUE/SISKIYO (KSIY)

Mostly Cloudy

46.4 F
Humidity:71%
Wind Speed: 4.6 mph
Barometer:29.94 in
Dewpoint:37.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:44.2 F
Apr 26 2026, 11:50 PM PDT
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5-Day Forecast — Grenada, CA

Monday

High 64 °F
Forecast Missing
Monday
Night
Low 37 °F
Forecast Missing
Tuesday

High 69 °F
Forecast Missing
Tuesday
Night
Low 39 °F
Forecast Missing
Wednesday

High 75 °F
Forecast Missing
Wednesday
Night
Low 42 °F
Forecast Missing
Thursday

High 80 °F
Forecast Missing
Thursday
Night
Low 46 °F
Forecast Missing
Friday

High 82 °F
Forecast Missing

Detailed Forecast — Grenada, CA

Monday
Forecast Missing. High near 64°F. Wind 1 to 10 mph, with gusts as high as 15 mph.
Monday Night
Forecast Missing. Low around 37°F. Wind 1 to 7 mph, with gusts as high as 13 mph.
Tuesday
Forecast Missing. High near 69°F. Wind 1 to 8 mph, with gusts as high as 14 mph.
Tuesday Night
Forecast Missing. Low around 39°F. Wind 1 to 7 mph, with gusts as high as 12 mph.
Wednesday
Forecast Missing. High near 75°F. Wind 1 to 6 mph, with gusts as high as 10 mph.
Wednesday Night
Forecast Missing. Low around 42°F. Wind 0 to 1 mph, with gusts as high as 3 mph.
Thursday
Forecast Missing. High near 80°F. Wind 3 to 9 mph, with gusts as high as 14 mph.
Thursday Night
Forecast Missing. Low around 46°F. Wind 0 to 2 mph, with gusts as high as 3 mph.
Friday
Forecast Missing. High near 82°F. Wind 3 to 9 mph, with gusts as high as 14 mph.
Friday Night
Forecast Missing. Low around 46°F. Wind 0 to 3 mph, with gusts as high as 5 mph.
Saturday
Forecast Missing. High near 77°F. Wind 3 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Forecast Missing. Low around 46°F. Wind 2 to 3 mph, with gusts as high as 5 mph.
Sunday
Forecast Missing. High near 75°F. Wind 6 to 9 mph, with gusts as high as 14 mph.
CA Radar
Current Radar • CA
Day 1 Outlook • April 27, 2026

Observation History — Grenada, 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)
11:50 PM PDT 4.6 10.00 Mostly Cloudy -- 46.4 37.4 71% 44.2 NA 29.94 1013.9
11:45 PM PDT 0.0 10.00 Cloudy -- 44.6 37.4 76% NA NA 29.94 1013.9
11:40 PM PDT 0.0 10.00 Cloudy -- 44.6 37.4 76% NA NA 29.94 1013.9
11:35 PM PDT 3.4 10.00 Cloudy -- 44.6 37.4 76% 43.2 NA 29.94 1013.9
11:30 PM PDT 0.0 10.00 Cloudy -- 46.4 37.4 71% NA NA 29.94 1013.9
11:25 PM PDT S 3.4 10.00 Cloudy -- 46.4 37.4 71% 45.1 NA 29.93 1013.5
11:15 PM PDT 4.6 10.00 Cloudy -- 46.4 37.4 71% 44.2 NA 29.93 1013.5
11:10 PM PDT 4.6 10.00 Cloudy -- 46.4 37.4 71% 44.2 NA 29.93 1013.5
11:00 PM PDT S 5.7 10.00 Cloudy -- 44.6 37.4 76% 41.4 NA 29.93 1013.5
10:50 PM PDT 5.7 10.00 Cloudy -- 44.6 37.4 76% 41.4 NA 29.93 1013.5
10:40 PM PDT 0.0 10.00 Cloudy -- 46.4 35.6 66% NA NA 29.92 1013.2
10:30 PM PDT 4.6 10.00 Mostly Cloudy -- 44.6 32.0 61% 42.1 NA 29.92 1013.2
10:20 PM PDT 0.0 10.00 Mostly Cloudy -- 44.6 30.2 57% NA NA 29.92 1013.2
10:10 PM PDT 0.0 10.00 Mostly Cloudy -- 44.6 30.2 57% NA NA 29.91 1012.9
10:00 PM PDT 0.0 10.00 Cloudy -- 46.4 30.2 53% NA NA 29.91 1012.9
09:45 PM PDT 4.6 10.00 Cloudy -- 46.4 30.2 53% 44.2 NA 29.90 1012.5
09:35 PM PDT 6.9 10.00 Cloudy -- 48.2 30.2 50% 45.1 NA 29.90 1012.5
09:25 PM PDT 6.9 10.00 Cloudy -- 48.2 28.4 46% 45.1 NA 29.89 1012.2
09:20 PM PDT 8.1 10.00 Cloudy -- 48.2 30.2 50% 44.6 NA 29.89 1012.2
09:05 PM PDT 5.7 10.00 Cloudy -- 48.2 30.2 50% 45.7 NA 29.89 1012.2
08:55 PM PDT 5.7 10.00 Cloudy -- 48.2 28.4 46% 45.7 NA 29.88 1011.9
08:50 PM PDT 6.9 10.00 Cloudy -- 50.0 28.4 43% NA NA 29.88 1011.9
08:45 PM PDT 6.9 10.00 Cloudy -- 51.8 28.4 40% NA NA 29.87 1011.5
08:40 PM PDT 8.1 10.00 Cloudy -- 51.8 28.4 40% NA NA 29.87 1011.5

Regional Weather Observation

MONTAGUE/SISKIYO (KSIY)

Mostly Cloudy
46.4 F

MOUNT SHASTA (KMHS)

Cloudy
43.0 F

MEDFORD (KMFR)

Clear
48.2 F

GRANTS PASS (K3S8)

Mostly Clear
46.4 F

SEXTON SUMMIT (KSXT)

Clear
39.9 F

KLAMATH FALLS (KLMT)

Mostly Cloudy
37.4 F
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