Currently
63°F
in Simi Valley, California, USA
78°F / 51°F
calm
0.00"
Sunday, October 25, 2026 7:59 PM PDT
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Simi Valley, California Weather Summary
May,
2026
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 |
| Extremes | Average | Normal | ||
| High Temperature: | 89.7°F (32.0°C) | at 12:11PM May 11 | 75.0°F (23.9°C) | 75°F (24°C) |
| Low Temperature: | 46.9°F (8.3°C) | at 6:17AM May 28 | 52.7°F (11.5°C) | 53°F (12°C) |
| Month Average: | 63.2°F (17.3°C) | for 31 days | ||
| Normal Average: | 63°F (17°C) | |||
| Precipitation: | 0.00" (0.0 mm) | |||
| Date | High | Low | Average | Precipitation |
| May 1 | 76.3°F(24.6°C) | 51.1°F(10.6°C) | 62.4°F(16.9°C) | 0.00"(0.0 mm) |
| May 2 | 76.8°F(24.9°C) | 51.0°F(10.6°C) | 65.7°F(18.7°C) | 0.00"(0.0 mm) |
| May 3 | 63.9°F(17.7°C) | 54.9°F(12.7°C) | 57.8°F(14.3°C) | 0.00"(0.0 mm) |
| May 4 | 67.3°F(19.6°C) | 52.1°F(11.2°C) | 58.1°F(14.5°C) | 0.00"(0.0 mm) |
| May 5 | 67.2°F(19.6°C) | 49.4°F(9.6°C) | 57.3°F(14.0°C) | 0.00"(0.0 mm) |
| May 6 | 73.3°F(22.9°C) | 48.2°F(9.0°C) | 60.4°F(15.8°C) | 0.00"(0.0 mm) |
| May 7 | 79.0°F(26.1°C) | 53.9°F(12.1°C) | 65.8°F(18.8°C) | 0.00"(0.0 mm) |
| May 8 | 76.4°F(24.7°C) | 52.4°F(11.3°C) | 63.6°F(17.6°C) | 0.00"(0.0 mm) |
| May 9 | 78.0°F(25.6°C) | 52.4°F(11.3°C) | 64.8°F(18.2°C) | 0.00"(0.0 mm) |
| May 10 | 80.5°F(26.9°C) | 52.7°F(11.5°C) | 66.3°F(19.1°C) | 0.00"(0.0 mm) |
| May 11 | 89.7°F(32.0°C) | 53.4°F(11.9°C) | 70.6°F(21.4°C) | 0.00"(0.0 mm) |
| May 12 | 74.2°F(23.5°C) | 53.0°F(11.7°C) | 63.3°F(17.4°C) | 0.00"(0.0 mm) |
| May 13 | 73.9°F(23.3°C) | 55.2°F(12.9°C) | 63.1°F(17.3°C) | 0.00"(0.0 mm) |
| May 14 | 72.8°F(22.7°C) | 52.3°F(11.3°C) | 62.0°F(16.7°C) | 0.00"(0.0 mm) |
| May 15 | 67.7°F(19.8°C) | 52.0°F(11.1°C) | 59.8°F(15.4°C) | 0.00"(0.0 mm) |
| May 16 | 73.1°F(22.8°C) | 55.3°F(12.9°C) | 63.3°F(17.4°C) | 0.00"(0.0 mm) |
| May 17 | 71.5°F(21.9°C) | 52.0°F(11.1°C) | 61.2°F(16.2°C) | 0.00"(0.0 mm) |
| May 18 | 82.3°F(28.0°C) | 50.8°F(10.4°C) | 66.0°F(18.9°C) | 0.00"(0.0 mm) |
| May 19 | 87.3°F(30.7°C) | 57.3°F(14.0°C) | 71.3°F(21.8°C) | 0.00"(0.0 mm) |
| May 20 | 86.3°F(30.2°C) | 55.8°F(13.2°C) | 71.6°F(22.0°C) | 0.00"(0.0 mm) |
| May 21 | 81.8°F(27.7°C) | 56.7°F(13.7°C) | 66.9°F(19.4°C) | 0.00"(0.0 mm) |
| May 22 | 77.2°F(25.1°C) | 52.8°F(11.6°C) | 64.3°F(18.0°C) | 0.00"(0.0 mm) |
| May 23 | 75.1°F(23.9°C) | 55.7°F(13.1°C) | 63.3°F(17.4°C) | 0.00"(0.0 mm) |
| May 24 | 71.7°F(22.0°C) | 53.0°F(11.7°C) | 61.4°F(16.3°C) | 0.00"(0.0 mm) |
| May 25 | 72.1°F(22.3°C) | 49.2°F(9.6°C) | 60.5°F(15.8°C) | 0.00"(0.0 mm) |
| May 26 | 68.4°F(20.2°C) | 51.7°F(11.0°C) | 58.8°F(14.9°C) | 0.00"(0.0 mm) |
| May 27 | 66.3°F(19.0°C) | 53.5°F(11.9°C) | 58.6°F(14.8°C) | 0.00"(0.0 mm) |
| May 28 | 67.4°F(19.7°C) | 46.9°F(8.3°C) | 56.8°F(13.8°C) | 0.00"(0.0 mm) |
| May 29 | 69.8°F(21.0°C) | 54.8°F(12.6°C) | 61.3°F(16.3°C) | 0.00"(0.0 mm) |
| May 30 | 76.8°F(24.9°C) | 51.1°F(10.6°C) | 65.2°F(18.5°C) | 0.00"(0.0 mm) |
| May 31 | 80.7°F(27.0°C) | 53.4°F(11.9°C) | 68.4°F(20.2°C) | 0.00"(0.0 mm) |