EN
Weather in Castro Valley, CA
84°
Castro Valley, Thursday, 15 October, 17:23
Clear. Feels like 81°. High 85°, low 49°.
Pressure30.03 inHg
Wind4.6 mph SW 
Humidity25%
Visibility6.2 mi
Dew point43°
Thu, 15October85°/49°
85°/49°Fri, 16October92°/55°
92°/55°Sat, 17October90°/56°
90°/56°Sun, 18October67°/56°
67°/56°Mon, 19October
63°/55°
63°/55°Tue, 20October69°/55°
69°/55°Wed, 21October67°/54°
67°/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 | 80° | 61° | 55° | 49° | 58° | 67° | 76° | 81° | 82° | 83° | 77° | 66° |
| Feels like | 80° | 59° | 54° | 49° | 58° | 67° | 75° | 80° | 80° | 81° | 75° | 64° |
Pressure, inHg  | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.03 | 30.06 | 30.06 |
| Wind, mph | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 0.6 | 0.5 | 0.1 |
Humidity, %  | 30% | 30% | 30% | 30% | 30% | 30% | 30% | 30% | 30% | 24% | 29% | 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 | — | — | — | — | — | — | — | — | — | 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° | 58° | 56° | 55° | 59° | 75° | 86° | 91° | 92° | 82° | 73° | 68° |
| Feels like | 60° | 56° | 53° | 52° | 56° | 73° | 82° | 87° | 87° | 80° | 71° | 66° |
| Pressure, inHg | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.06 | 30.00 | 30.00 | 30.03 | 30.06 |
| Wind, mph | 0.5 | 0.9 | 1.2 | 2.2 | 2.5 | 1.9 | 1.5 | 0.1 | 1.1 | 1.4 | 0.6 | 0.3 |
| Humidity, % | 39% | 37% | 43% | 44% | 36% | 19% | 14% | 13% | 13% | 20% | 25% | 27% |
| 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 | 64° | 60° | 57° | 67° | 66° | 79° | 86° | 90° | 85° | 75° | 67° | 65° |
| Feels like | 61° | 57° | 54° | 64° | 64° | 79° | 83° | 86° | 82° | 74° | 67° | 64° |
| Pressure, inHg | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.00 | 29.97 | 29.97 | 29.97 | 29.97 |
| Wind, mph | 0.6 | 0.6 | 0.7 | 0.2 | 0.4 | 0.3 | 1.5 | 2.5 | 2.6 | 1.3 | 0.8 | 1 |
| Humidity, % | 26% | 26% | 27% | 29% | 29% | 19% | 19% | 15% | 22% | 38% | 58% | 66% |
| 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 | 63° | 61° | 58° | 56° | 57° | 63° | 66° | 66° | 64° | 59° | 58° | 57° |
| Feels like | 62° | 60° | 58° | 56° | 57° | 63° | 66° | 65° | 63° | 59° | 57° | 57° |
| Pressure, inHg | 29.97 | 29.97 | 29.97 | 29.97 | 30.00 | 30.03 | 30.03 | 30.00 | 29.97 | 29.97 | 30.00 | 30.00 |
| Wind, mph | 0.7 | 0.7 | 0.9 | 0.9 | 1.4 | 2.5 | 3.6 | 4 | 4.2 | 4.1 | 4 | 3.9 |
| Humidity, % | 72% | 74% | 85% | 96% | 98% | 79% | 65% | 61% | 68% | 82% | 86% | 84% |
| 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 | 56° | 55° | 55° | 55° | 55° | 59° | 62° | 63° | 62° | 62° | 61° | 60° |
| Feels like | 56° | 55° | 54° | 54° | 54° | 58° | 61° | 62° | 61° | 60° | 60° | 59° |
| Pressure, inHg | 30.00 | 30.00 | 29.97 | 29.97 | 29.97 | 29.97 | 29.97 | 29.94 | 29.91 | 29.97 | 29.97 | 29.97 |
| Wind, mph | 3.8 | 3.5 | 3.6 | 3.6 | 3.6 | 3.8 | 4.2 | 4.6 | 4.7 | 4.7 | 4.7 | 4.7 |
| Humidity, % | 85% | 86% | 84% | 83% | 84% | 64% | 56% | 59% | 63% | 54% | 54% | 54% |
| 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 | — | — | — |
| 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 | 63° | 59° | 57° | 55° | 58° | 60° | 62° | 64° | 65° | 67° | 66° | 64° |
| Feels like | 63° | 58° | 56° | 55° | 57° | 59° | 61° | 63° | 64° | 66° | 65° | 62° |
| Pressure, inHg | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 |
| Wind, mph | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Humidity, % | 60% | 60% | 60% | 60% | 60% | 60% | 60% | 60% | 60% | 60% | 60% | 60% |
| 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 | 62° | 56° | 55° | 54° | 56° | 58° | 61° | 63° | 65° | 67° | 66° | 62° |
| Feels like | 62° | 55° | 54° | 53° | 55° | 57° | 59° | 62° | 63° | 65° | 64° | 61° |
| Pressure, inHg | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 |
| Wind, mph | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 |
| Humidity, % | 59% | 59% | 59% | 59% | 59% | 59% | 59% | 59% | 59% | 59% | 59% | 59% |
| 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 15 min
Sunrise — 07:16
Sunset — 18:31
Sunrise and sunset in local time
Waxing crescent, 22%
Sunrise — —
Sunset — —
Weather history
Temperature extremes over 66 years
October 15 temperatures in Castro Valley, CA over 66 years
high: 94.1° (1961)low: 46.4° (1966)
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81°Weather in Rancho Dos Palmas, CA87°Weather in Rand, CA81°Weather in Sandia, CA90°Weather in Sandyland Cove, CA88°Weather in Serena, CA87°Weather in Serena Park, CA87°Weather in Sespe Village, CA91°Weather in Singing Springs, CA79°Weather in Slater, CA82°Weather in Three Arch Bay, CA89°Weather in Trocha, CA80°Weather in Venida, CA83°Weather in West Venida, CA83°Weather in Wilsie, CA90°Weather in Patrick Creek, CA80°Weather in Abbott, CA93°Weather in Adams, CA80°Weather in Adela, CA84°Weather in Advance, CA83°