🇺🇸 Weather in Hayward
Map Overlays:
Hourly Forecast for Hayward
10:00
20°
1%
11:00
23°
0%
12:00
26°
0%
13:00
28°
0%
14:00
27°
0%
15:00
26°
0%
16:00
25°
0%
17:00
24°
0%
18:00
23°
0%
19:00
21°
1%
20:00
18°
1%
21:00
16°
1%
22:00
15°
1%
23:00
14°
2%
00:00
13°
2%
01:00
13°
2%
02:00
12°
2%
03:00
12°
2%
04:00
12°
2%
05:00
12°
3%
06:00
12°
3%
07:00
12°
2%
08:00
14°
1%
09:00
15°
1%
14-Day Forecast for Hayward
2026-06-05
Sunny
30° /
10°
2026-06-06
Sunny
20° /
11°
2026-06-07
Sunny
24° /
8°
2026-06-08
Patchy rain nearby
20° /
11°
2026-06-09
Patchy rain nearby
21° /
12°
2026-06-10
Sunny
25° /
9°
2026-06-11
Sunny
32° /
12°
Additional Forecasts for Hayward
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 123.0 μg/m³
O₃ (Ozone) 58.0 μg/m³
NO₂ (Nitrogen Dioxide) 8.0 μg/m³
SO₂ (Sulphur Dioxide) 1.5 μg/m³
PM2.5 (Fine particles) 10.5 μg/m³
PM10 (Coarse particles) 15.4 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Hayward — FAQ
Answers refreshed each request based on current conditions in Hayward.
What is the weather like right now in Hayward?
Right now in Hayward, United States the temperature is 15.6°C (feels like 15.6°C), with sunny. Relative humidity is 72% and wind is 4.3 km/h.
What is today's high and low temperature in Hayward?
Today's forecast high in Hayward is 30.2°C and the overnight low is 10.5°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Hayward today?
The chance of precipitation in Hayward today is 1%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Hayward differ from nearby cities?
Even short distances can change temperatures noticeably. Hayward's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.