Weather in Castro Valley, August 21
Weather Forecast for August 21 in Castro Valley, California - temperature, wind, atmospheric pressure, humidity and precipitations. Detailed hourly weather chart.
August 21, 2024
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August 21, 2023
| Atmospheric conditions and temperature °F | RealFeel °F | Atmospheric pressure inHg | Wind speed mph | Humidity |
| Night | +68° | +68° | 29.5 | 2.7 | 81% |
| Morning | +66° | +66° | 29.6 | 4.9 | 91% |
| Day | +72° | +72° | 29.8 | 13 | 49% |
| Evening | +70° | +70° | 29.8 | 9.2 | 71% |
Bio-meteorological forecast
- Meteorological sensitivity index
- 4
- Strong reactions to the weather are possible by meteosensitive people.
- Effect of low pressure
- 1
- Low atmospheric pressure may affect some meteosensitive people.
- Geomagnetic conditions
- 2
- Solar activity may affect some sensitive people.
- Influence of solar activity
- 2
- High risk of harm from unprotected sun exposure for people with sensitive skin types.
Hourly forecast for 21.08.2023
August 21, 2022
| Atmospheric conditions and temperature °F | RealFeel °F | Atmospheric pressure inHg | Wind speed mph | Humidity |
| Night | +61° | +61° | 29.7 | 3.8 | 91% |
| Morning | +57° | +57° | 29.8 | 2.9 | 91% |
| Day | +77° | +77° | 29.8 | 8.9 | 54% |
| Evening | +66° | +66° | 29.8 | 10.5 | 79% |
Bio-meteorological forecast
- Meteorological sensitivity index
- 4
- Strong reactions to the weather are possible by meteosensitive people.
- Geomagnetic conditions
- 3
- High probability that strong solar activity will affect meteosensitive people.
- Influence of solar activity
- 3
- High risk of harm from unprotected sun exposure due to UV radiation.
Hourly forecast for 21.08.2022
August 21, 2021
| Atmospheric conditions and temperature °F | RealFeel °F | Atmospheric pressure inHg | Wind speed mph | Humidity |
| Night | +61° | +61° | 29.6 | 6.3 | 92% |
| Morning | +61° | +61° | 29.6 | 5.8 | 91% |
| Day | +64° | +64° | 29.6 | 9.6 | 53% |
| Evening | +63° | +63° | 29.6 | 10.3 | 79% |
Bio-meteorological forecast
- Meteorological sensitivity index
- 3
- Meteosensitive people are likely to experience weather-related symptoms.
- Geomagnetic conditions
- 2
- Solar activity may affect some sensitive people.
- Influence of solar activity
- 3
- High risk of harm from unprotected sun exposure due to UV radiation.
Hourly forecast for 21.08.2021
Weather in large and nearby cities
Weather in Washington, D.C.+63°
Sacramento+79°
Redwood City+61°
San Francisco+61°
San Leandro+63°
San Mateo+61°
Minimum and maximum
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Argentina
El Calafate
El Calafate
- day
- +28°F
- night
- +10°F
Saudi Arabia
Abqaiq
Abqaiq
- day
- +120°F
- night
- +91°F
Temperature units
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