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Walnut, CA Hourly Weather Forecast

Next 48 Hours

Fri, Nov 13th 2026

Light drizzle expected later. Temps around 60°. Calm winds from the SW at 3 mph, as humidity fluctuates between 81% to 86%, and an avg barometric pressure of 29.82 inHg.
Fri, Nov 13th Temp Humidity Wind (mph) Pressure (inHg) Precip.
9 PM Hourly weather in Walnut is forecast as Light Rain Shower and 60° at 9 PM on Fri, Nov 13th 2026
Light Rain Shower
UV: 0
60°F

Feels
60°F
81% 2 SW 29.82 36%

Rain est. 0.01in
10 PM Hourly weather in Walnut is forecast as Light Drizzle and 60° at 10 PM on Fri, Nov 13th 2026
Light Drizzle
UV: 0
60°F

Feels
60°F
83% 3.1 SSW 29.83 58%

Rain est. 0.02in
11 PM Hourly weather in Walnut is forecast as Light Drizzle and 60° at 11 PM on Fri, Nov 13th 2026
Light Drizzle
UV: 0
60°F

Feels
59°F
86% 4 SW 29.82 56%

Rain est. 0.01in

Sat, Nov 14th 2026

Scattered showers giving way to partly cloudy by evening. Temps range from 59° to 68°. Light winds, shifting from WSW to ENE at 3.4 mph, as humidity ranges 48% to 91%, and an avg barometric pressure of 29.91 inHg.
Sat, Nov 14th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Hourly weather in Walnut is forecast as Light Drizzle and 60° at 12 AM on Sat, Nov 14th 2026
Light Drizzle
UV: 0
60°F

Feels
59°F
87% 4.5 WSW 29.82 61%

Rain est. 0.02in
1 AM Hourly weather in Walnut is forecast as Light Drizzle and 60° at 1 AM on Sat, Nov 14th 2026
Light Drizzle
UV: 0
60°F

Feels
59°F
89% 4 SW 29.81 64%

Rain est. 0.02in
2 AM Hourly weather in Walnut is forecast as Light Rain Shower and 59° at 2 AM on Sat, Nov 14th 2026
Light Rain Shower
UV: 0
59°F

Feels
60°F
90% 2.7 SW 29.81 48%

Rain est. 0.01in
3 AM Hourly weather in Walnut is forecast as Light Rain Shower and 59° at 3 AM on Sat, Nov 14th 2026
Light Rain Shower
UV: 0
59°F

Feels
60°F
91% 1.8 SSE 29.81 45%

Rain est. 0.01in
4 AM Hourly weather in Walnut is forecast as Scattered Showers and 59° at 4 AM on Sat, Nov 14th 2026
Scattered Showers
UV: 0
59°F

Feels
60°F
90% 2 SSE 29.81 33%
5 AM Hourly weather in Walnut is forecast as Scattered Showers and 59° at 5 AM on Sat, Nov 14th 2026
Scattered Showers
UV: 0
59°F

Feels
60°F
89% 1.8 SSE 29.83 33%
6 AM Hourly weather in Walnut is forecast as Scattered Showers and 59° at 6 AM on Sat, Nov 14th 2026
Scattered Showers
UV: 0
59°F

Feels
60°F
89% 1.8 SE 29.85 32%
7 AM Hourly weather in Walnut is forecast as Scattered Showers and 59° at 7 AM on Sat, Nov 14th 2026
Scattered Showers
UV: 0
59°F

Feels
59°F
88% 2 ESE 29.87 24%
8 AM Hourly weather in Walnut is forecast as Scattered Showers and 61° at 8 AM on Sat, Nov 14th 2026
Scattered Showers
UV: 0.5
61°F

Feels
61°F
80% 2.5 SE 29.89 19%
9 AM Hourly weather in Walnut is forecast as Scattered Showers and 63° at 9 AM on Sat, Nov 14th 2026
Scattered Showers
UV: 1.3
63°F

Feels
62°F
73% 3.1 SE 29.91 13%
10 AM Hourly weather in Walnut is forecast as Scattered Showers and 65° at 10 AM on Sat, Nov 14th 2026
Scattered Showers
UV: 2.3
65°F

Feels
64°F
67% 3.8 SE 29.92 13%
11 AM Hourly weather in Walnut is forecast as Scattered Showers and 66° at 11 AM on Sat, Nov 14th 2026
Scattered Showers
UV: 2.4
66°F

Feels
64°F
60% 3.8 SSE 29.92 13%
12 PM Hourly weather in Walnut is forecast as Partly Cloudy and 67° at 12 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 2.6
67°F

Feels
65°F
54% 4.3 S 29.91 4%
1 PM Hourly weather in Walnut is forecast as Sunny and 68° at 1 PM on Sat, Nov 14th 2026
Sunny
UV: 2.7
68°F

Feels
65°F
48% 4.9 S 29.89 2%
2 PM Hourly weather in Walnut is forecast as Partly Cloudy and 68° at 2 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 1.8
68°F

Feels
64°F
51% 6 SSW 29.9 3%
3 PM Hourly weather in Walnut is forecast as Partly Cloudy and 67° at 3 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 0.8
67°F

Feels
63°F
54% 6.9 SSW 29.91 4%
4 PM Hourly weather in Walnut is forecast as Partly Cloudy and 66° at 4 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 0.2
66°F

Feels
62°F
57% 7.4 SSW 29.92 6%
5 PM Hourly weather in Walnut is forecast as Partly Cloudy and 65° at 5 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 0
65°F

Feels
62°F
61% 5.8 SSW 29.94 6%
6 PM Hourly weather in Walnut is forecast as Partly Cloudy and 63° at 6 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 0
63°F

Feels
62°F
65% 4 SSW 29.96 7%
7 PM Hourly weather in Walnut is forecast as Partly Cloudy and 62° at 7 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 0
62°F

Feels
61°F
68% 3.1 SSW 29.98 8%
8 PM Hourly weather in Walnut is forecast as Partly Cloudy and 62° at 8 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 0
62°F

Feels
61°F
70% 2.2 SSW 29.99 9%
9 PM Hourly weather in Walnut is forecast as Partly Cloudy and 61° at 9 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 0
61°F

Feels
61°F
71% 1.1 SSW 30.01 9%
10 PM Hourly weather in Walnut is forecast as Partly Cloudy and 61° at 10 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 0
61°F

Feels
61°F
72% 0 SE 30.03 10%
11 PM Hourly weather in Walnut is forecast as Partly Cloudy and 59° at 11 PM on Sat, Nov 14th 2026
Partly Cloudy
UV: 0
59°F

Feels
60°F
75% 0.9 ENE 30.03 9%

Sun, Nov 15th 2026

A full day of Partly cloudy conditions is expected. Warming trend from 55°F to 70°. Light winds, shifting from ENE to SW at 3.3 mph, as humidity ranges 47% to 83%, and an avg barometric pressure of 30.05 inHg.
Sun, Nov 15th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Hourly weather in Walnut is forecast as Clear and 58° at 12 AM on Sun, Nov 15th 2026
Clear
UV: 0
58°F

Feels
58°F
78% 1.8 ENE 30.03 10%
1 AM Hourly weather in Walnut is forecast as Clear and 57° at 1 AM on Sun, Nov 15th 2026
Clear
UV: 0
57°F

Feels
56°F
81% 2.5 ENE 30.03 10%
2 AM Hourly weather in Walnut is forecast as Clear and 57° at 2 AM on Sun, Nov 15th 2026
Clear
UV: 0
57°F

Feels
55°F
81% 2.7 ENE 30.03 12%
3 AM Hourly weather in Walnut is forecast as Partly Cloudy and 56° at 3 AM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0
56°F

Feels
55°F
82% 2.9 ENE 30.03 13%
4 AM Hourly weather in Walnut is forecast as Partly Cloudy and 55° at 4 AM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0
55°F

Feels
54°F
83% 2.9 ENE 30.04 15%
5 AM Hourly weather in Walnut is forecast as Partly Cloudy and 55° at 5 AM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0
55°F

Feels
54°F
83% 3.1 ENE 30.05 15%
6 AM Hourly weather in Walnut is forecast as Partly Cloudy and 55° at 6 AM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0
55°F

Feels
54°F
82% 3.6 ENE 30.06 15%
7 AM Hourly weather in Walnut is forecast as Partly Cloudy and 55° at 7 AM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0
55°F

Feels
54°F
82% 3.8 ENE 30.07 15%
8 AM Hourly weather in Walnut is forecast as Partly Cloudy and 59° at 8 AM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0.5
59°F

Feels
57°F
73% 3.4 E 30.09 9%
9 AM Hourly weather in Walnut is forecast as Sunny and 62° at 9 AM on Sun, Nov 15th 2026
Sunny
UV: 1.5
62°F

Feels
61°F
65% 2.7 E 30.1 6%
10 AM Hourly weather in Walnut is forecast as Sunny and 65° at 10 AM on Sun, Nov 15th 2026
Sunny
UV: 2.7
65°F

Feels
64°F
56% 2 ESE 30.1 3%
11 AM Hourly weather in Walnut is forecast as Partly Cloudy and 67° at 11 AM on Sun, Nov 15th 2026
Partly Cloudy
UV: 3.7
67°F

Feels
66°F
53% 1.3 SSE 30.08 5%
12 PM Hourly weather in Walnut is forecast as Partly Cloudy and 69° at 12 PM on Sun, Nov 15th 2026
Partly Cloudy
UV: 4.1
69°F

Feels
67°F
50% 2 SW 30.06 5%
1 PM Hourly weather in Walnut is forecast as Partly Cloudy and 70° at 1 PM on Sun, Nov 15th 2026
Partly Cloudy
UV: 3.5
70°F

Feels
68°F
47% 3.4 SW 30.04 3%
2 PM Hourly weather in Walnut is forecast as Partly Cloudy and 70° at 2 PM on Sun, Nov 15th 2026
Partly Cloudy
UV: 2.3
70°F

Feels
67°F
48% 4.3 WSW 30.03 6%
3 PM Hourly weather in Walnut is forecast as Cloudy and 69° at 3 PM on Sun, Nov 15th 2026
Cloudy
UV: 1
69°F

Feels
66°F
50% 4.5 WSW 30.02 7%
4 PM Hourly weather in Walnut is forecast as Partly Cloudy and 68° at 4 PM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0.3
68°F

Feels
66°F
51% 4.9 WSW 30.02 4%
5 PM Hourly weather in Walnut is forecast as Partly Cloudy and 66° at 5 PM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0
66°F

Feels
64°F
58% 4.9 SW 30.03 5%
6 PM Hourly weather in Walnut is forecast as Partly Cloudy and 64° at 6 PM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0
64°F

Feels
62°F
66% 4.9 SW 30.05 7%
7 PM Hourly weather in Walnut is forecast as Partly Cloudy and 63° at 7 PM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0
63°F

Feels
61°F
73% 4.3 SW 30.06 10%
8 PM Hourly weather in Walnut is forecast as Partly Cloudy and 62° at 8 PM on Sun, Nov 15th 2026
Partly Cloudy
UV: 0
62°F

Feels
62°F
75% 3.1 SW 30.07 11%

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