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Simi Valley, California weather · now

68°

Partly Sunny

High / Low: 85° / 61°
Wind: 15 mph W
Humidity: 80%

No precipitation expected in the next 1.6 hours.

ModerateAir quality PollenTreeNoneGrassModerateWeedModerate

Sun 6:13 AM 7:47 PM 13h 34m

Moon Waning Crescent 3% lit

Current weather and 7-day forecast for Simi Valley, California, sourced directly from the National Weather Service. Expect mostly sunny today. Today's high is 85° with a low near 61°.

What to wear today

T-shirt and shorts weather

85°F today — easy summer dressing.

Next 24 hours

8 AM

66°

4%
10 AM

75°

4%
12 PM

82°

8%
2 PM

84°

8%
4 PM

84°

8%
6 PM

81°

3%
8 PM

76°

3%
10 PM

69°

3%
12 AM

68°

1%
2 AM

65°

1%
4 AM

63°

1%
6 AM

62°

1%

Live radar

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Live cameras nearby

See what it actually looks like out there.

LIVE · 2m
SR-23 : (741) n/o Olsen Rd3.5 miCaltrans
LIVE · 2m
SR-23 : (740) Olsen Rd3.8 miCaltrans
LIVE · 2m
SR-23 : (735) South of Tierra Rejada3.9 miCaltrans
LIVE · 2m
SR-23 : (739) Sunset Hills Blvd4.6 miCaltrans

Feeds from public state DOT systems. Images may briefly stale, rotate, or go offline during maintenance.

7 days

Today 8/11 Mostly Sunny 8% 85° · 61°
1. 8 AM 66° Partly Sunny 4%
2. 9 AM 70° Partly Sunny 4%
3. 10 AM 75° Partly Sunny 4%
4. 11 AM 79° Sunny 8%
5. 12 PM 82° Sunny 8%
6. 1 PM 83° Sunny 8%
7. 2 PM 84° Sunny 8%
8. 3 PM 84° Sunny 8%
9. 4 PM 84° Sunny 8%
10. 5 PM 83° Mostly Sunny 3%
11. 6 PM 81° Partly Cloudy 3%
12. 7 PM 79° Partly Cloudy 3%
13. 8 PM 76° Partly Cloudy 3%
14. 9 PM 70° Partly Cloudy 3%
15. 10 PM 69° Partly Cloudy 3%
16. 11 PM 68° Mostly Cloudy 1%
Wed 8/12 Partly Sunny 1% 81° · 58°
1. 12 AM 68° Mostly Cloudy 1%
2. 1 AM 66° Mostly Cloudy 1%
3. 2 AM 65° Mostly Cloudy 1%
4. 3 AM 64° Mostly Cloudy 1%
5. 4 AM 63° Mostly Cloudy 1%
6. 5 AM 63° Mostly Cloudy 1%
7. 6 AM 62° Mostly Cloudy 1%
8. 7 AM 61° Mostly Cloudy 1%
9. 8 AM 63° Mostly Cloudy 1%
10. 9 AM 67° Mostly Cloudy 1%
11. 10 AM 72° Mostly Cloudy 1%
12. 11 AM 75° Partly Sunny 1%
13. 12 PM 79° Partly Sunny 1%
14. 1 PM 80° Partly Sunny 1%
15. 2 PM 80° Partly Sunny 1%
16. 3 PM 79° Partly Sunny 1%
17. 4 PM 79° Partly Sunny 1%
18. 5 PM 79° Mostly Sunny
19. 6 PM 76° Partly Cloudy
20. 7 PM 75° Partly Cloudy
21. 8 PM 72° Partly Cloudy
22. 9 PM 67° Partly Cloudy
23. 10 PM 65° Partly Cloudy
24. 11 PM 64° Mostly Cloudy 1%
Thu 8/13 Patchy Fog then Mostly Sunny 0% 76° · 56°
1. 12 AM 64° Mostly Cloudy 1%
2. 1 AM 63° Mostly Cloudy 1%
3. 2 AM 63° Mostly Cloudy 1%
4. 3 AM 61° Mostly Cloudy 1%
5. 4 AM 61° Mostly Cloudy 1%
6. 5 AM 60° Patchy Fog
7. 6 AM 59° Patchy Fog
8. 7 AM 60° Patchy Fog
9. 8 AM 62° Patchy Fog
10. 9 AM 64° Patchy Fog
11. 10 AM 67° Patchy Fog
12. 11 AM 70° Mostly Sunny
13. 12 PM 74° Mostly Sunny
14. 1 PM 76° Mostly Sunny
15. 2 PM 78° Mostly Sunny
16. 3 PM 78° Mostly Sunny
17. 4 PM 77° Mostly Sunny
18. 5 PM 75° Mostly Sunny
19. 6 PM 71° Partly Cloudy
20. 7 PM 68° Partly Cloudy
21. 8 PM 64° Partly Cloudy
22. 9 PM 62° Partly Cloudy
23. 10 PM 61° Partly Cloudy
24. 11 PM 60° Mostly Cloudy
Fri 8/14 Patchy Fog then Mostly Sunny 0% 77° · 56°
1. 12 AM 59° Mostly Cloudy
2. 1 AM 58° Mostly Cloudy
3. 2 AM 58° Mostly Cloudy
4. 3 AM 57° Mostly Cloudy
5. 4 AM 57° Mostly Cloudy
6. 5 AM 56° Patchy Fog
7. 6 AM 56° Patchy Fog
8. 7 AM 56° Patchy Fog
9. 8 AM 58° Patchy Fog
10. 9 AM 60° Patchy Fog
11. 10 AM 64° Patchy Fog
12. 11 AM 68° Sunny
13. 12 PM 72° Sunny
14. 1 PM 74° Sunny
15. 2 PM 76° Sunny
16. 3 PM 77° Sunny
17. 4 PM 77° Sunny
18. 5 PM 75° Sunny
19. 6 PM 72° Clear
20. 7 PM 69° Clear
21. 8 PM 66° Clear
22. 9 PM 64° Clear
23. 10 PM 63° Clear
24. 11 PM 62° Mostly Clear
Sat 8/15 Mostly Sunny 0% 80° · 57°
1. 12 AM 61° Mostly Clear
2. 1 AM 60° Mostly Clear
3. 2 AM 59° Mostly Clear
4. 3 AM 58° Mostly Clear
5. 4 AM 57° Mostly Clear
6. 5 AM 57° Partly Cloudy
7. 6 AM 57° Mostly Sunny
8. 7 AM 59° Mostly Sunny
9. 8 AM 61° Mostly Sunny
10. 9 AM 65° Mostly Sunny
11. 10 AM 70° Mostly Sunny
12. 11 AM 74° Mostly Sunny
13. 12 PM 77° Mostly Sunny
14. 1 PM 78° Mostly Sunny
15. 2 PM 79° Mostly Sunny
16. 3 PM 80° Mostly Sunny
17. 4 PM 79° Mostly Sunny
18. 5 PM 78° Sunny
19. 6 PM 75° Mostly Clear
20. 7 PM 71° Mostly Clear
21. 8 PM 68° Mostly Clear
22. 9 PM 66° Mostly Clear
23. 10 PM 64° Mostly Clear
24. 11 PM 63° Mostly Clear
Sun 8/16 Sunny 0% 82° · 59°
1. 12 AM 62° Mostly Clear
2. 1 AM 61° Mostly Clear
3. 2 AM 60° Mostly Clear
4. 3 AM 59° Mostly Clear
5. 4 AM 59° Mostly Clear
6. 5 AM 59° Partly Cloudy
7. 6 AM 59° Mostly Sunny
8. 7 AM 60° Mostly Sunny
9. 8 AM 62° Mostly Sunny
10. 9 AM 66° Mostly Sunny
11. 10 AM 71° Mostly Sunny
12. 11 AM 76° Sunny
13. 12 PM 79° Sunny
14. 1 PM 80° Sunny
15. 2 PM 81° Sunny
16. 3 PM 81° Sunny
17. 4 PM 81° Sunny
18. 5 PM 79° Sunny
19. 6 PM 76° Mostly Clear
20. 7 PM 73° Mostly Clear
21. 8 PM 70° Mostly Clear
22. 9 PM 68° Mostly Clear
23. 10 PM 66° Mostly Clear
24. 11 PM 64° Mostly Clear
Mon 8/17 Mostly Sunny 1% 82° · 59°
1. 12 AM 63° Mostly Clear
2. 1 AM 62° Mostly Clear
3. 2 AM 61° Mostly Clear
4. 3 AM 60° Mostly Clear
5. 4 AM 60° Mostly Clear
6. 5 AM 60° Partly Cloudy
7. 6 AM 60° Mostly Sunny
8. 7 AM 61° Mostly Sunny
9. 8 AM 63° Mostly Sunny
10. 9 AM 67° Mostly Sunny
11. 10 AM 73° Mostly Sunny
12. 11 AM 77° Sunny
13. 12 PM 79° Sunny
14. 1 PM 81° Sunny
15. 2 PM 81° Sunny
16. 3 PM 82° Sunny
17. 4 PM 81° Sunny
18. 5 PM 80° Mostly Sunny
19. 6 PM 77° Partly Cloudy
20. 7 PM 73° Partly Cloudy

Extended outlook days 8–16

Tue 8/18 Cloudy 2% 97° · 69°
Wed 8/19 Cloudy 3% 93° · 69°
Thu 8/20 Cloudy 1% 91° · 66°
Fri 8/21 Sunny 0% 94° · 63°
Sat 8/22 Sunny 0% 98° · 63°
Sun 8/23 Cloudy 0% 100° · 65°
Mon 8/24 Cloudy 0% 100° · 68°
Tue 8/25 Mostly Sunny 3% 98° · 71°
Wed 8/26 Sunny 10% 97° · 68°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best day this week

Mild temps, low rain chance, clearer skies.

Sunday, 8/16

Sunny, 82° / 59°

Tomorrow81°58°
Thu76°56°
Fri77°56°
Sat80°57°
Sun82°59°
Mon82°59°

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

RunTomorrow 6 AM
comfortable at 62°F · calm wind · no rain expected · pollen moderate today
Excellent100 / 100
Bike9 AM
comfortable at 70°F · calm wind · no rain expected · pollen moderate today
Excellent100 / 100
Golf9 AM
comfortable at 70°F · calm wind · no rain expected · pollen moderate today
Excellent100 / 100
Picnic9 AM
comfortable at 70°F · calm wind · no rain expected · pollen moderate today
Excellent100 / 100
Magic ShowAnytime
Any weather is magic show weather. Indoors or out, magic doesn't care.
Corporate Magician Scott Henderson

Climate normals

What weather to expect in Simi Valley

Simi Valley in August typically averages 91° highs and 67° lows, with about 0 days of rain. The hottest stretch is August (average high 91°); the coldest is January (average low 49°). February is the wettest month on average.

Month	Avg high	Avg low	Rainy days
Jan	67°	49°	5
Feb	69°	50°	7
Mar	74°	52°	6
Apr	73°	52°	6
May	78°	56°	4
Jun	82°	60°	1
Jul	88°	65°	0
Aug	91°	67°	0
Sep	88°	66°	3
Oct	82°	59°	3
Nov	71°	52°	7
Dec	71°	50°	3

Normals derived from the past two years of observations via Open-Meteo's historical archive.

More for Simi Valley

Other cities in California

Detailed forecast (NWS)

Today: Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph.
Wednesday: Partly sunny, with a high near 81. Southwest wind 0 to 15 mph.
Thursday: Patchy fog before 11am. Mostly sunny, with a high near 76. South southwest wind 0 to 10 mph, with gusts as high as 20 mph.
Friday: Patchy fog before 11am. Mostly sunny, with a high near 77.

Forecast details

NWS gridpoint: LOX 137,58
Radar station: KVTX
Time zone: America/Los_Angeles
Coordinates: 34.269, -118.781