Simi Valley, CA Weather Forecast for 5-Days

Updated: Sun Jun 7th 2026 7:15 AM PDT

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Simi Valley, CA Weather – 6-7 – Sunny
80° / 58°
Sunny
In Simi Valley, it will be sunny with highs near 80°F and lows around 58°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 12mph on average and gusts of 13.6mph at 4 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 81% at 8 AM and 40% being its lowest at 3 PM. Barometric pressure is its highest of 29.81inHg at 8 AM, a lowest point of 29.74inHg at 4 PM with an avg 29.78inHg.
Simi Valley, CA Weather – 6-8 – Sunny
79° / 53°

Weather Tomorrow

Sunny
Daytime highs will reach 79°F with lows dropping to 53°F in Simi Valley, where bright and sunny conditions. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 13mph on average and gusts of 13.9mph at 2 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 87% at 5 AM and 38% being its lowest at 1 PM. Barometric pressure is its highest of 29.84inHg at 10 PM, a lowest point of 29.79inHg at 4 PM with an avg 29.81inHg.
Simi Valley, CA Weather – 6-9 – Sunny
82° / 56°
Sunny
Bright and sunny conditions in Simi Valley, with a high of 82°F and a low of 56°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 11mph on average and gusts of 11.8mph at 2 PM. Humidity levels should be comfortable, sitting around 55% on average, the maximum being 74% at 6 AM and 37% being its lowest at 12 PM. Barometric pressure is its highest of 29.84inHg at 7 AM, a lowest point of 29.72inHg at 6 PM with an avg 29.79inHg.
Simi Valley, CA Weather – 6-10 – Sunny
85° / 57°
Sunny
A sunny day is in the forecast for Simi Valley, with a high of 85°F and a low of 57°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 10mph and gusts of 11.3mph at 2 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 83% at 6 AM and 35% being its lowest at 1 PM. Barometric pressure is its highest of 29.81inHg at 8 AM, a lowest point of 29.73inHg at 6 PM with an avg 29.77inHg.
Simi Valley, CA Weather – 6-11 – Sunny
87° / 57°
Sunny
Daytime highs will reach 87°F with lows dropping to 57°F in Simi Valley, where it will be sunny. There's a very small chance of rainfall, only about 1%. Winds will be light at 7mph and gusts of 10.3mph at 8 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 87% at 5 AM and 34% being its lowest at 4 PM. Barometric pressure is its highest of 29.8inHg at 11 PM, a lowest point of 29.72inHg at 5 PM with an avg 29.77inHg.
Simi Valley, CA Weather – 6-12 – Sunny
91° / 56°
Sunny
Sunshine is in the forecast for Simi Valley, with a high of 91°F and a low of 56°F. Wind will be moderate, blowing around 11mph on average and gusts of 12.3mph at 5 PM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 79% at 5 AM and 19% being its lowest at 2 PM. Barometric pressure is its highest of 29.83inHg at 11 PM, a lowest point of 29.76inHg at 5 PM with an avg 29.79inHg.

Currently

Overcast 63°F
29.82 inHg.
Barometer
72%
Humidity
S 3.6 mph
Wind
Overcast

5 Day Forecast Nearby

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