EN
Weather in Castro Valley, CA
58°
Castro Valley, Tuesday, 20 October, 09:41
Partly cloudy. Feels like 57°. High 68°, low 51°.
Pressure29.91 inHg
Wind4.6 mph E 
Humidity71%
Visibility6.2 mi
Dew point49°
Tue, 20October
68°/51°
68°/51°Wed, 21October
69°/54°
69°/54°Thu, 22October70°/51°
70°/51°Fri, 23October
74°/55°
74°/55°Sat, 24October76°/51°
76°/51°Sun, 25October79°/53°
79°/53°Mon, 26October81°/58°
81°/58° | 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 | 60° | 57° | 54° | 52° | 54° | 58° | 60° | 65° | 67° | 64° | 60° | 57° |
| Feels like | 60° | 55° | 53° | 51° | 53° | 57° | 59° | 64° | 65° | 62° | 58° | 55° |
Pressure, inHg  | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.91 | 29.85 | 29.83 | 29.83 | 29.85 | 29.85 |
| Wind, mph | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 0.7 | 0.5 | 1.1 | 1.1 | 1.1 | 0.7 | 0.6 |
Humidity, %  | 64% | 64% | 64% | 64% | 64% | 71% | 64% | 51% | 33% | 36% | 51% | 58% |
| 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 | 56° | 55° | 55° | 56° | 55° | 62° | 66° | 69° | 66° | 62° | 59° | 57° |
| Feels like | 55° | 53° | 53° | 54° | 54° | 61° | 65° | 68° | 64° | 61° | 59° | 56° |
| Pressure, inHg | 29.83 | 29.85 | 29.85 | 29.85 | 29.88 | 29.91 | 29.91 | 29.88 | 29.85 | 29.85 | 29.88 | 29.88 |
| Wind, mph | 0.6 | 0.6 | 0.8 | 0.3 | 0.3 | 0.9 | 1.1 | 1.4 | 1.7 | 1.5 | 0.8 | 0.5 |
| Humidity, % | 59% | 68% | 67% | 65% | 70% | 63% | 55% | 47% | 47% | 67% | 85% | 88% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0.01 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 | 5.2 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° | 53° | 51° | 52° | 53° | 62° | 68° | 70° | 68° | 62° | 60° | 59° |
| Feels like | 57° | 53° | 51° | 52° | 53° | 62° | 67° | 69° | 68° | 61° | 60° | 59° |
| Pressure, inHg | 29.88 | 29.88 | 29.88 | 29.88 | 29.91 | 29.94 | 29.91 | 29.88 | 29.88 | 29.91 | 29.91 | 29.97 |
| Wind, mph | 0.4 | 0.8 | 0.4 | 0.5 | 0.9 | 0.7 | 1.6 | 2.8 | 3.6 | 2.8 | 2.4 | 3.1 |
| Humidity, % | 91% | 99% | 100% | 97% | 95% | 70% | 60% | 52% | 56% | 84% | 93% | 94% |
| 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 | — | — | 0.5 mi | — | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 5.6 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° | 58° | 57° | 56° | 55° | 62° | 69° | 74° | 74° | 68° | 61° | 58° |
| Feels like | 58° | 58° | 57° | 55° | 55° | 62° | 68° | 73° | 74° | 67° | 61° | 58° |
| Pressure, inHg | 29.97 | 29.97 | 30.00 | 30.00 | 30.03 | 30.09 | 30.06 | 30.03 | 30.00 | 30.00 | 30.00 | 30.03 |
| Wind, mph | 2.7 | 2.4 | 1.9 | 1.4 | 1.7 | 0.7 | 1.2 | 1.6 | 2.6 | 2 | 0.6 | 0.5 |
| Humidity, % | 92% | 93% | 96% | 97% | 97% | 80% | 61% | 50% | 48% | 66% | 86% | 91% |
| 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 | 0.2 mi | — | 3.6 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 | 57° | 55° | 53° | 52° | 52° | 62° | 67° | 70° | 73° | 75° | 73° | 68° |
| Feels like | 56° | 55° | 52° | 51° | 51° | 60° | 65° | 68° | 71° | 73° | 72° | 66° |
| Pressure, inHg | 30.03 | 30.00 | 30.00 | 30.00 | 30.00 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 |
| Wind, mph | 0.5 | 0.2 | 0.4 | 0.8 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Humidity, % | 95% | 97% | 98% | 93% | 81% | 24% | 24% | 24% | 24% | 24% | 24% | 24% |
| 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 | 2.9 mi | 2.5 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 | 73° | 59° | 57° | 54° | 59° | 65° | 70° | 74° | 76° | 77° | 75° | 69° |
| Feels like | 73° | 58° | 55° | 51° | 57° | 63° | 69° | 73° | 74° | 76° | 74° | 68° |
| Pressure, inHg | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 |
| Wind, mph | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 |
| Humidity, % | 34% | 34% | 34% | 34% | 34% | 34% | 34% | 34% | 34% | 34% | 34% | 34% |
| 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 | 75° | 61° | 60° | 58° | 63° | 67° | 72° | 75° | 77° | 79° | 76° | 71° |
| Feels like | 75° | 59° | 57° | 55° | 60° | 65° | 70° | 74° | 76° | 78° | 76° | 69° |
| 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 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Humidity, % | 21% | 21% | 21% | 21% | 21% | 21% | 21% | 21% | 21% | 21% | 21% | 21% |
| 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 3 min
Sunrise — 07:21
Sunset — 18:24
Sunrise and sunset in local time
Waxing gibbous, 70%
Sunrise — —
Sunset — —
Weather history
Temperature extremes over 66 years
October 20 temperatures in Castro Valley, CA over 66 years
high: 87.4° (1964)low: 44.6° (1996)
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