EN
Weather in Castro Valley, CA
65°
Castro Valley, Wednesday, 21 October, 13:59
Light rain. Feels like 65°. High 65°, low 57°.
Pressure29.85 inHg
Wind6.9 mph W 
Humidity66%
Visibility6.2 mi
Dew point54°
Wed, 21October65°/57°
65°/57°Thu, 22October62°/55°
62°/55°Fri, 23October69°/54°
69°/54°Sat, 24October
69°/49°
69°/49°Sun, 25October
71°/50°
71°/50°Mon, 26October
69°/53°
69°/53°Tue, 27October77°/54°
77°/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 | 65° | 57° | 57° | 57° | 60° | 62° | 64° | 65° | 65° | 63° | 58° | 58° |
| Feels like | 65° | 56° | 56° | 56° | 58° | 61° | 64° | 65° | 64° | 62° | 57° | 57° |
Pressure, inHg  | 29.85 | 29.85 | 29.85 | 29.85 | 29.85 | 29.85 | 29.85 | 29.85 | 29.85 | 29.83 | 29.83 | 29.83 |
| Wind, mph | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 0.7 | 0.6 | 0.7 | 0.7 | 1.5 |
Humidity, %  | 67% | 67% | 67% | 67% | 67% | 67% | 67% | 66% | 70% | 72% | 84% | 86% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0.02 in | 0.01 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | 4.8 mi | 4.2 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° | 55° | 59° | 62° | 59° | 59° | 57° | 55° | 57° |
| Feels like | 56° | 57° | 57° | 56° | 55° | 59° | 62° | 59° | 59° | 57° | 55° | 57° |
| Pressure, inHg | 29.83 | 29.83 | 29.83 | 29.85 | 29.88 | 29.91 | 29.94 | 29.91 | 29.91 | 29.94 | 29.97 | 29.97 |
| Wind, mph | 1.2 | 0.9 | 0.1 | 1.6 | 1.2 | 1.3 | 2.1 | 2.5 | 2.6 | 2.3 | 1.4 | 2 |
| Humidity, % | 89% | 96% | 95% | 98% | 98% | 90% | 77% | 91% | 90% | 94% | 97% | 97% |
| Precipitation | 0 in | 0.07 in | 0.02 in | 0.2 in | 0.07 in | 0 in | 0 in | 0.03 in | 0.02 in | 0.01 in | 0 in | 0 in |
| Visibility | 6.2 mi | 2.1 mi | 1.2 mi | 1.3 mi | 2.1 mi | 6.2 mi | 6.2 mi | 2.3 mi | 4.0 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° | 54° | 55° | 56° | 56° | 60° | 65° | 68° | 68° | 62° | 58° | 57° |
| Feels like | 56° | 54° | 54° | 56° | 56° | 59° | 64° | 67° | 67° | 62° | 58° | 56° |
| Pressure, inHg | 30.00 | 30.00 | 30.00 | 30.03 | 30.06 | 30.09 | 30.06 | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 |
| Wind, mph | 1.1 | 1 | 1.3 | 1.5 | 1.2 | 1.2 | 3.1 | 3.1 | 2.4 | 1.8 | 0.3 | 0.3 |
| Humidity, % | 97% | 97% | 98% | 97% | 97% | 86% | 73% | 61% | 63% | 82% | 92% | 92% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0.01 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 5.8 mi | 1.8 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° | 52° | 51° | 50° | 50° | 62° | 67° | 69° | 70° | 63° | 57° | 55° |
| Feels like | 54° | 52° | 50° | 50° | 50° | 60° | 65° | 68° | 69° | 62° | 56° | 55° |
| Pressure, inHg | 30.03 | 30.03 | 30.03 | 30.03 | 30.03 | 30.06 | 30.03 | 29.97 | 29.97 | 29.97 | 30.00 | 30.03 |
| Wind, mph | 0.2 | 0.4 | 0.8 | 1 | 1.1 | 0.4 | 1.4 | 1.3 | 1.3 | 1.2 | 0.5 | 0.2 |
| Humidity, % | 96% | 100% | 96% | 93% | 88% | 61% | 48% | 48% | 47% | 66% | 81% | 85% |
| 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 |
| 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 | 53° | 50° | 50° | 50° | 50° | 61° | 68° | 67° | 68° | 69° | 67° | 63° |
| Feels like | 52° | 49° | 50° | 50° | 49° | 60° | 67° | 66° | 67° | 68° | 67° | 62° |
| Pressure, inHg | 30.03 | 30.03 | 30.03 | 30.03 | 30.06 | 30.06 | 30.06 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 |
| Wind, mph | 0.6 | 1.4 | 1 | 0.7 | 0.6 | 0.1 | 0.7 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Humidity, % | 92% | 99% | 93% | 87% | 81% | 63% | 54% | 53% | 53% | 53% | 53% | 53% |
| 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 | 5.0 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 | 65° | 54° | 54° | 53° | 57° | 60° | 63° | 65° | 65° | 65° | 63° | 60° |
| Feels like | 65° | 54° | 53° | 53° | 56° | 59° | 62° | 64° | 64° | 64° | 63° | 59° |
| 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 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Humidity, % | 66% | 66% | 66% | 66% | 66% | 66% | 66% | 66% | 66% | 66% | 66% | 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 | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | 71° | 58° | 56° | 54° | 59° | 64° | 69° | 71° | 71° | 71° | 69° | 65° |
| Feels like | 71° | 57° | 55° | 53° | 58° | 63° | 68° | 70° | 70° | 70° | 68° | 64° |
| 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 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 |
| Humidity, % | 46% | 46% | 46% | 46% | 46% | 46% | 46% | 46% | 46% | 46% | 46% | 46% |
| 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, 81%
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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76°Weather in Dover, DE64°Weather in Frankfort, KY75°Weather in Harrisburg, PA64°Weather in Hartford, CT59°Weather in Helena, MT57°Weather in Honolulu, HI79°Weather in Indianapolis, IN72°Weather in Jackson, MS81°Weather in Jefferson City, MO73°Weather in Juneau, AK36°Weather in Lansing, MI68°Weather in Lincoln, NE79°Weather in Little Rock, AR79°Weather in Madison, WI72°Weather in Montgomery, AL78°Weather in Montpelier, VT61°Weather in Nashville, TN77°Weather in Oklahoma City, OK80°Weather in Olympia, WA61°Weather in Phoenix, AZ88°Weather in Pierre, SD68°Weather in Providence, RI54°Weather in Raleigh, NC69°Weather in Richmond, VA66°Weather in Sacramento, CA67°Weather in Salem, OR67°Weather in Salt Lake City, UT70°Weather in San Juan, PR90°Weather in Santa Fe, NM72°Weather in Springfield, IL74°Weather in St. Paul, MN74°Weather in Tallahassee, FL80°Weather in Topeka, KS76°Weather in Trenton, NJ64°Weather in Washington, DC67°
60°Weather in Annapolis, MD66°Weather in Atlanta, GA75°Weather in Augusta, ME56°Weather in Austin, TX83°Weather in Baton Rouge, LA82°Weather in Bismarck, ND64°Weather in Boise, ID75°Weather in Boston, MA54°Weather in Carson City, NV61°Weather in Charleston, WV69°Weather in Charlotte Amalie, VI88°Weather in Cheyenne, WY70°Weather in Columbia, SC74°Weather in Columbus, OH69°Weather in Concord, NH58°Weather in Denver, CO76°Weather in Des Moines, IA76°Weather in Dover, DE64°Weather in Frankfort, KY75°Weather in Harrisburg, PA64°Weather in Hartford, CT59°Weather in Helena, MT57°Weather in Honolulu, HI79°Weather in Indianapolis, IN72°Weather in Jackson, MS81°Weather in Jefferson City, MO73°Weather in Juneau, AK36°Weather in Lansing, MI68°Weather in Lincoln, NE79°Weather in Little Rock, AR79°Weather in Madison, WI72°Weather in Montgomery, AL78°Weather in Montpelier, VT61°Weather in Nashville, TN77°Weather in Oklahoma City, OK80°Weather in Olympia, WA61°Weather in Phoenix, AZ88°Weather in Pierre, SD68°Weather in Providence, RI54°Weather in Raleigh, NC69°Weather in Richmond, VA66°Weather in Sacramento, CA67°Weather in Salem, OR67°Weather in Salt Lake City, UT70°Weather in San Juan, PR90°Weather in Santa Fe, NM72°Weather in Springfield, IL74°Weather in St. Paul, MN74°Weather in Tallahassee, FL80°Weather in Topeka, KS76°Weather in Trenton, NJ64°Weather in Washington, DC67°Weather in Radnor, CA57°Weather in Rancho Dos Palmas, CA82°Weather in Rand, CA76°Weather in Sandia, CA84°Weather in Sandyland Cove, CA64°Weather in Serena, CA64°Weather in Serena Park, CA64°Weather in Sespe Village, CA62°Weather in Singing Springs, CA63°Weather in Slater, CA63°Weather in Three Arch Bay, CA76°Weather in Trocha, CA57°Weather in Venida, CA60°Weather in West Venida, CA60°Weather in Wilsie, CA85°Weather in Patrick Creek, CA61°Weather in Abbott, CA66°Weather in Adams, CA58°Weather in Adela, CA67°Weather in Advance, CA74°
57°Weather in Rancho Dos Palmas, CA82°Weather in Rand, CA76°Weather in Sandia, CA84°Weather in Sandyland Cove, CA64°Weather in Serena, CA64°Weather in Serena Park, CA64°Weather in Sespe Village, CA62°Weather in Singing Springs, CA63°Weather in Slater, CA63°Weather in Three Arch Bay, CA76°Weather in Trocha, CA57°Weather in Venida, CA60°Weather in West Venida, CA60°Weather in Wilsie, CA85°Weather in Patrick Creek, CA61°Weather in Abbott, CA66°Weather in Adams, CA58°Weather in Adela, CA67°Weather in Advance, CA74°