Hayward, CA

12:10 AM PDT on June 22, 2018 (GMT -0700)
Hayward Executive | | Change Station
Active Advisory: Heat Advisory

Elev 46 ft 37.66 °N, 122.12 °W | Updated 16 minutes ago

Clear
Clear
59 °F
Feels Like 59 °F
N
0
Wind Variable Wind from North

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 30.00 in
Visibility 10.0 miles
Clouds Clear
Dew Point 51 °F
Humidity 75%
Rainfall 0.00 in
Snow Depth Not available.
5:47 AM 8:33 PM
Waxing Gibbous, 69% visible
METAR KHWD 220654Z 00000KT 10SM CLR 15/11 A2997 RMK AO2 SLP158 T01500106
Pressure 30.00 in
Visibility 10.0 miles
Clouds Clear
Dew Point 51 °F
Humidity 75%
Rainfall 0.00 in
Snow Depth Not available.
5:47 AM 8:33 PM
Waxing Gibbous, 69% visible
METAR KHWD 220654Z 00000KT 10SM CLR 15/11 A2997 RMK AO2 SLP158 T01500106

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10-Day Weather Forecast

Almanac

Astronomy

Jun. 22, 2018 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

Today's Extremes

State Highs State Lows

Community

WunderPhotos

Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

Nearby

Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Heat Advisory
Issued: 8:50 PM PDT Jun. 21, 2018 – National Weather Service

... Heat advisory remains in effect from 11 am to 8 PM PDT
Saturday...

* timing... 11 am to 8 PM Saturday

* locations... most of the inland greater San Francisco Bay area
(excluding coastal areas), inland Monterey County, and inland
San Benito County. For the San Francisco Bay shoreline... main
heat risk is primarily from Redwood City to Cupertino.

* Temperatures... temperatures will generally be 15 to 20 degrees
above normal on Saturday. Widespread temperatures in the mid 90s
to low 100s in the impacted areas are expected. The hottest
inland locations such as Pinnacles National Park and the extreme
inland portions of Napa, Sonoma, and possibly Contra Costa
counties may surpass 105 degrees. The cities of San Francisco
and Oakland are excluded from this heat advisory, but will be
very warm on Saturday with highs expected in the mid to upper
80s. San Jose, which is included in the advisory, is forecast
reach the mid to upper 90s. For the San Francisco Bay shoreline,
the main heat risks are generally from Redwood City to
Cupertino where triple digit temperatures are forecast, while
other areas of the shoreline will be noticeably cooler.

* Impacts... moderate to high risk of heat related illness,
especially for vulnerable populations during the day Saturday.
Increased number of visitors to coastal communities and beaches
to escape heat, potentially resulting in increased water
rescues. Exacerbation of critical fire weather conditions,
especially in the north and East Bay hills and mountains.

Precautionary/preparedness actions...

A heat advisory means that a period of hot temperatures is
expected. Hot temperatures will create a situation in which heat
illnesses are possible. Drink plenty of fluids... stay in an air-
conditioned room... stay out of the sun... and check up on
relatives and neighbors.