How does NOAA issue severe storm watches for Hayward?

The National Weather Service (NWS) monitors atmospheric instability across California. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in Hayward today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

CA, USAZIP 94541Live NOAA Station

Hayward, CA

Q: What is the current temperature and forecast in Hayward, California?

The current weather in Hayward is around 57°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Niebla•Sensación térmica 59°F+1° heat index

83°F/57°F

1 mph 45°

97%Humedad

57°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Actualizado: 09:45 PM (America/Los_Angeles)

Daily Meteorological Briefing

Hayward, CA

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across Hayward, CA tonight.

Current temperature is 57°F (feels like 59°F), with daytime highs reaching 83°F and overnight lows around 57°F. Humidity is at 97%, with atmospheric pressure steady at 1013.4 hPa.

Overall excellent conditions for commuting and outdoor routines.

Daily Range

Δ 14° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 0 • Moderate

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Pronóstico por Hora

Next 16 Hours

Now

58°F

1 AM

58°F

2 AM

58°F

3 AM

58°F

4 AM

57°F

5 AM

57°F

6 AM

57°F

7 AM

57°F

8 AM

57°F

9 AM

58°F

10 AM

61°F

11 AM

65°F

12 PM

70°F

1 PM

75°F

2 PM

79°F

3 PM

83°F

Pronóstico de 10 Días

Extended 10-day meteorological outlook

10-Day Range

Hoy

23 sept

57°F

83°F

jue

24 sept

56°F

77°F

vie

25 sept

62°F

71°F

sáb

26 sept

59°F

72°F

dom

27 sept

56°F

64°F

lun

28 sept

56°F

70°F

mar

29 sept

60°F

78°F

mié

30 sept

62°F

77°F

jue

1 oct

64°F

76°F

vie

2 oct

62°F

80°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

Índice UVLow

0 / 11+

No protection neededPeak 6.4

Viento45°

1 mph

Wind Gusts:1 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise06:57 AM

Sunset07:03 PM

Solar Noon:12:54 PM

HumedadHumid

97%

Punto de Rocío:56°F

PresiónSteady

29.93 inHg

Trend:Stable (+0.1 hPa)

VisibilidadClear

0.2 mi

Haze:Minimal

Air Quality Index (AQI)Good

45US EPA Standard

Air quality is ideal for outdoor activities.

PM2.59 µg

OZONE9 µg

PM1010 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsGood

Pleasant conditions for light outdoor activities.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyHazardous

Reduced sightlines or slippery asphalt expected.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise11:57 PM

Daylight ~13h

Sunset12:03 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

88% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~4 daysTidal Currents Normal

Preguntas Frecuentes sobre el Clima - Hayward, California

The current weather in Hayward is around 57°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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