Walnut — Weather

Live · Clear within 100 km Just updated

18°C 64°F · Clear · 25% cloud cover

Feels like 18°C65°F · Low 18°C64°F · High 18°C65°F

Wind

4 km/h2 mph from S

Humidity

79%

Pressure

1013 hPa29.92 inHg stable

UV Index

0.0 Low(night)

Fair weather

Walnut, 18°C — partly cloudy right now.

❄️ The June norm is 22°C; today's 18°C is 3.1°C cooler than that.

Hourly forecast

Detailed forecast for the next 60 hours

Temperature Precipitation Wind

Now

18°C 64°F

4 2

79

00:00

17°C 62°F

4 3

82

01:00

16°C 61°F

4 2

84

02:00

16°C 60°F

4 2

86

03:00

16°C 60°F

3 2

87

04:00

15°C 60°F

3 2

89

05:00

15°C 59°F

3 2

91

06:00

15°C 59°F

4 2

91

07:00

16°C 61°F

4 3

88

08:00

18°C 64°F

4 2

79

09:00

20°C 67°F

5 3

73

10:00

22°C 71°F

5 3

64

11:00

24°C 76°F

8 5

56

12:00

26°C 79°F

11 7

51

13:00

28°C 82°F

13 8

45

14:00

28°C 82°F

15 9

44

15:00

28°C 82°F

14 9

43

16:00

27°C 81°F

14 8

44

17:00

27°C 80°F

13 8

47

18:00

25°C 77°F

11 7

51

19:00

23°C 74°F

9 6

56

20:00

22°C 71°F

7 4

64

21:00

20°C 68°F

5 3

71

22:00

19°C 66°F

4 2

76

23:00

18°C 64°F

4 3

81

00:00

17°C 63°F

4 2

83

03:00

16°C 61°F

4 2

84

06:00

15°C 59°F

5 3

82

09:00

21°C 70°F

6 4

67

12:00

27°C 81°F

10 7

46

15:00

28°C 82°F

15 9

41

18:00

24°C 76°F

11 7

53

21:00

19°C 67°F

6 4

72

00:00

17°C 63°F

4 3

80

03:00

17°C 62°F

3 2

80

06:00

15°C 60°F

5 3

79

09:00

19°C 67°F

6 4

71

mmin km/hmph Humidity %

Daily Forecast

Today

Jun 3 · Clear

S 4 km/h 2 mph (117) 77%

18°C 64°F

18°C 65°F

Today

Jun 3

Clear

77%

S 4 km/h 2 mph

18°C 64°F

18°C 65°F

Tomorrow

Jun 4 · Fog

SW 15 km/h 9 mph (3622) 68% UV 3

15°C 59°F

28°C 82°F

Tomorrow

Jun 4

Fog

68%

SW 15 km/h 9 mph

15°C 59°F

28°C 82°F

Friday

Jun 5 · Partly cloudy

SW 15 km/h 9 mph (3723) 66% UV 4

15°C 59°F

28°C 83°F

Friday

Jun 5

Partly cloudy

66%

SW 15 km/h 9 mph

15°C 59°F

28°C 83°F

Saturday

Jun 6 · Overcast

SW 14 km/h 9 mph (3421) 67% UV 3

15°C 60°F

26°C 79°F

Saturday

Jun 6

Overcast

67%

SW 14 km/h 9 mph

15°C 60°F

26°C 79°F

Sunday

Jun 7 · Clear

SW 19 km/h 12 mph (3622) 57% UV 3

16°C 61°F

27°C 81°F

Sunday

Jun 7

Clear

57%

SW 19 km/h 12 mph

16°C 61°F

27°C 81°F

Monday

Jun 8 · Clear

SW 21 km/h 13 mph (3623) 57% UV 3

15°C 59°F

29°C 84°F

Monday

Jun 8

Clear

57%

SW 21 km/h 13 mph

15°C 59°F

29°C 84°F

Tuesday

Jun 9 · Overcast

SW 14 km/h 9 mph (3522) 65% UV 3

16°C 61°F

25°C 78°F

Tuesday

Jun 9

Overcast

65%

SW 14 km/h 9 mph

16°C 61°F

25°C 78°F

Wednesday

Jun 10 · Partly cloudy

S 14 km/h 8 mph (3622) 65% UV 3

15°C 59°F

27°C 80°F

Wednesday

Jun 10

Partly cloudy

65%

S 14 km/h 8 mph

15°C 59°F

27°C 80°F

Extended Forecast (GFS)

Thursday

Jun 11 · Clear

SW 20 km/h 12 mph 58% UV 3

16°C 60°F

27°C 81°F

Thursday

Jun 11

Clear

58%

SW 20 km/h 12 mph

16°C 60°F

27°C 81°F

Friday

Jun 12 · Clear

SW 17 km/h 11 mph 51%

17°C 62°F

28°C 83°F

Friday

Jun 12

Clear

51%

SW 17 km/h 11 mph

17°C 62°F

28°C 83°F

Saturday

Jun 13 · Clear

SW 19 km/h 11 mph 46%

18°C 65°F

30°C 87°F

Saturday

Jun 13

Clear

46%

SW 19 km/h 11 mph

18°C 65°F

30°C 87°F

Sunday

Jun 14 · Clear

SW 19 km/h 12 mph 41%

20°C 67°F

31°C 88°F

Sunday

Jun 14

Clear

41%

SW 19 km/h 12 mph

20°C 67°F

31°C 88°F

Monday

Jun 15 · Clear

SW 18 km/h 11 mph 39%

20°C 68°F

32°C 90°F

Monday

Jun 15

Clear

39%

SW 18 km/h 11 mph

20°C 68°F

32°C 90°F

Tuesday

Jun 16 · Clear

SW 18 km/h 11 mph 43%

20°C 68°F

31°C 87°F

Tuesday

Jun 16

Clear

43%

SW 18 km/h 11 mph

20°C 68°F

31°C 87°F

Wednesday

Jun 17 · Clear

SW 21 km/h 13 mph 60%

17°C 62°F

24°C 76°F

Wednesday

Jun 17

Clear

60%

SW 21 km/h 13 mph

17°C 62°F

24°C 76°F

Thursday

Jun 18 · Clear

S 21 km/h 13 mph 49%

16°C 61°F

23°C 73°F

Thursday

Jun 18

Clear

49%

S 21 km/h 13 mph

16°C 61°F

23°C 73°F

Today vs. seasonal normal

-10.0°C-18.0°F

High 28.4°C83°F · Low 14.6°C58°F · Normal for this month

Walnut is located in California, United States. Elevation: 171m. Annual average temperature: 18°C. Annual precipitation: 412mm.

Clouds Last updated 02:00 AM

0% 100%

Precipitation Last updated 02:00 AM

0 10+ mm/h

Temperature Last updated 02:00 AM

−20° 40°

Frequently Asked Questions

What is the weather like in Walnut today?

Today in Walnut, United States, the temperature is 18°C with Clear. The high is 18°C and the low is 18°C.

What is the 16-day forecast for Walnut?

The 16-day forecast for Walnut shows the warmest day is Monday at 32°C, while the coolest night is Friday at 15°C. 0 day(s) have precipitation expected.

What time is sunrise and sunset in Walnut?

In Walnut, sunrise is at 02:40 PM and sunset is at 04:59 AM. Day length is approximately 14h 18m.

How accurate is the weather forecast for Walnut?

Our forecasts for Walnut use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Walnut has an annual average temperature of 18°C and receives 412mm of precipitation per year.

Last updated: 06/03/2026, 11:00 PM