EN
Weather in Castro Valley, CA
60°
Castro Valley, Wednesday, 21 October, 09:52
Light rain. Feels like 59°. High 68°, low 57°.
Pressure29.85 inHg
Wind6.9 mph SW 
Humidity75%
Visibility6.2 mi
Dew point52°
Wed, 21October
68°/57°
68°/57°Thu, 22October66°/55°
66°/55°Fri, 23October
69°/56°
69°/56°Sat, 24October
70°/49°
70°/49°Sun, 25October72°/50°
72°/50°Mon, 26October66°/51°
66°/51°Tue, 27October73°/54°
73°/54° | 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | | | | | | | | | | | | |
| Temperature | 62° | 59° | 58° | 58° | 59° | 60° | 62° | 65° | 66° | 64° | 61° | 60° |
| Feels like | 62° | 58° | 57° | 57° | 58° | 59° | 61° | 65° | 65° | 63° | 59° | 59° |
Pressure, inHg  | 29.85 | 29.85 | 29.85 | 29.85 | 29.85 | 29.85 | 29.85 | 29.83 | 29.83 | 29.83 | 29.83 | 29.83 |
| Wind, mph | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 1.7 | 1.3 | 0.9 | 1.7 | 1.5 | 2.2 | 1.6 |
Humidity, %  | 71% | 71% | 71% | 71% | 71% | 75% | 71% | 62% | 59% | 61% | 63% | 72% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 58° | 57° | 57° | 56° | 55° | 61° | 66° | 63° | 62° | 58° | 56° | 57° |
| Feels like | 58° | 57° | 57° | 56° | 55° | 61° | 65° | 63° | 62° | 58° | 56° | 57° |
| Pressure, inHg | 29.83 | 29.85 | 29.83 | 29.85 | 29.88 | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.94 | 29.97 |
| Wind, mph | 1.1 | 2 | 2.3 | 1.1 | 0.9 | 0.2 | 1.6 | 1.6 | 1.7 | 2.4 | 1.8 | 1.7 |
| Humidity, % | 83% | 97% | 98% | 98% | 97% | 91% | 73% | 89% | 82% | 85% | 93% | 96% |
| Precipitation | 0 in | 0.05 in | 0.15 in | 0.03 in | 0.01 in | 0.01 in | 0 in | 0.08 in | 0.01 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 0.8 mi | 1.7 mi | 4.7 mi | 6.2 mi | 4.9 mi | 6.2 mi | 2.5 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | |  | | |  | |
| Temperature | 57° | 57° | 57° | 56° | 57° | 61° | 65° | 67° | 69° | 63° | 58° | 57° |
| Feels like | 57° | 57° | 57° | 56° | 56° | 60° | 64° | 67° | 68° | 63° | 58° | 56° |
| Pressure, inHg | 30.00 | 30.00 | 30.00 | 30.00 | 30.03 | 30.06 | 30.06 | 30.03 | 30.00 | 30.00 | 30.03 | 30.03 |
| Wind, mph | 2 | 1.5 | 2.1 | 1.9 | 1.4 | 0.9 | 2 | 3.2 | 2.9 | 1.8 | 1 | 0.8 |
| Humidity, % | 94% | 95% | 97% | 97% | 97% | 82% | 69% | 62% | 55% | 75% | 89% | 88% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 4.4 mi | 4.8 mi | 5.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 55° | 54° | 51° | 49° | 50° | 63° | 68° | 70° | 71° | 65° | 58° | 56° |
| Feels like | 55° | 53° | 50° | 49° | 50° | 62° | 66° | 69° | 70° | 64° | 57° | 55° |
| Pressure, inHg | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.06 | 30.03 | 30.00 | 29.97 | 29.97 | 30.00 | 30.03 |
| Wind, mph | 0.3 | 0.3 | 0.6 | 0.6 | 0.7 | 0.3 | 1.4 | 1.3 | 1.4 | 1.4 | 0.7 | 0.2 |
| Humidity, % | 90% | 94% | 95% | 91% | 81% | 55% | 45% | 44% | 41% | 54% | 77% | 82% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 54° | 51° | 50° | 50° | 50° | 60° | 64° | 67° | 68° | 69° | 67° | 62° |
| Feels like | 53° | 50° | 49° | 49° | 49° | 58° | 63° | 66° | 67° | 68° | 66° | 62° |
| Pressure, inHg | 30.03 | 30.03 | 30.00 | 30.03 | 30.03 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 |
| Wind, mph | 0.5 | 1 | 0.9 | 0.8 | 0.6 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 |
| Humidity, % | 87% | 93% | 90% | 86% | 80% | 49% | 49% | 49% | 49% | 49% | 49% | 49% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | — | — | — | — | — | — | — |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 62° | 54° | 53° | 51° | 54° | 57° | 60° | 62° | 63° | 64° | 62° | 59° |
| Feels like | 62° | 53° | 52° | 50° | 53° | 57° | 60° | 62° | 62° | 63° | 62° | 58° |
| Pressure, inHg | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 |
| Wind, mph | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Humidity, % | 77% | 77% | 77% | 77% | 77% | 77% | 77% | 77% | 77% | 77% | 77% | 77% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 68° | 55° | 55° | 54° | 58° | 62° | 66° | 69° | 69° | 69° | 67° | 62° |
| Feels like | 68° | 53° | 53° | 53° | 57° | 61° | 65° | 67° | 67° | 67° | 65° | 60° |
| Pressure, inHg | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 |
| Wind, mph | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 |
| Humidity, % | 37% | 37% | 37% | 37% | 37% | 37% | 37% | 37% | 37% | 37% | 37% | 37% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
Sun and moon today
Day length — 11 h 1 min
Sunrise — 07:22
Sunset — 18:23
Sunrise and sunset in local time
Waxing gibbous, 79%
Sunrise — —
Sunset — —
Weather history
Temperature extremes over 66 years
October 21 temperatures in Castro Valley, CA over 66 years
high: 87.4° (1964)low: 46.8° (1961)
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