Byron 5SSE - Harvey BanksHOBC1
At a river or reservoir gauge/1.3 mi away/22 ft/240 ft below here
temp, wind, gust, humidity, pressure
Parks/California/Bethany Reservoir State Recreation Area
Bethany Reservoir State Recreation Area, California
State Recreation Area in Alameda County, California* WHAT...Hot conditions with maximum temperatures in the mid-90s to near 105. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...The East Bay and San Francisco Bay Shoreline, North Bay Interior Mountains and Valleys, The Santa Clara Valley and Eastern Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.
Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
83°
96°/70°
Clear·
Feels like 81°·Light breeze 5 mph SW
Alert. A Heat Advisory is in force for Bethany Reservoir State Recreation Area until 10 PM Thursday. Read the alert in full, and see what it means in the Field Book.
Now. Bethany Reservoir State Recreation Area is 83° and clear at 11 PM. The dew point is 45°, so the air feels dry and comfortable. Light breeze from the southwest at 5 mph.
Today and tonight. Tonight falls to about 70° by 7 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is Wednesday, near 98°, and the coolest Sunday, near 76°. The days ahead look dry. The windiest day is Saturday, with wind to 22 mph. Wednesday is hot, 98°: heat is a danger to anyone outdoors for long.
The sky now. The Moon is a waning crescent, 22% lit, and rises at 2:48 AM after midnight. The next new Moon is Saturday, Oct 10. Look for Saturn, bright in the south-southeast. A planet shines with a steady light where the stars around it twinkle. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 40 minutes long, 2 minutes shorter than yesterday.
0UV Low
32Air quality
26%Humidity
0%Cloud
Now
11:00 PM
83feels81
now, clear
Today
Oct 5
9670
14mph
Wed
Oct 7
9868
UV 7
Thu
Oct 8
9666
UV 7
Fri
Oct 9
9167
UV 7
Sat
Oct 10
8062
22mph
UV 7
Sun
Oct 11
7656
13mph
UV 6
Mon
Oct 12
7755
UV 6
83°
96°70°
98°68°
96°66°
91°67°
80°62°
76°56°
77°55°
As of 11:00 PM in Bethany Reservoir State Recreation Area, California.
Air quality
The air at Bethany Reservoir State Recreation Area
Index 32, good, led by fine particles. Read at 11 PM from its reporting area, Livermore (CA), 11 miles off.
32Good
- Fine particles (PM2.5)32Good-
- Ozone31Good-
The days ahead
Highest 101, unhealthy for sensitive groups, today, led by ozone. Yesterday measured 46, good.
GoodModerateSensitive groups
- 46YesterdayOct 4
- 101TodayOct 5
- 97TueOct 6
- ModerateWedOct 7
- ModerateThuOct 8
- ModerateFriOct 9
- GoodSatOct 10
Smoke, the next 43 hours
Little smoke near the ground through Wed 5 PM: the index from smoke stays at 22 or under.
Precipitation
What has fallen at Bethany Reservoir State Recreation Area
None in the last 3 days, to Mon 10 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.00in
Visibility
How far you can see at Bethany Reservoir State Recreation Area, the next 43 hours
Visibility stays 10 miles or more through Wed 5 PM.
F
Now, today, and the week
Weather instrument stations by state
Park
- Designation
- State Recreation Area
- Area
- 0.95 sq mi
- Height at its point
- 262 ft
- County
- Alameda County
- State
- California
- Latitude
- 37.7830° N
- Longitude
- 121.6237° W
What is measuring near here
The 6 instruments nearest Bethany Reservoir State Recreation Area, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.
measured now4 instruments
ByronC83
At an airfield/3.1 mi away/52 ft/210 ft below here
temp, wind, gust, visibility, precip, pressure
I-580 - I-205CF133
Beside a road/4.0 mi away/301 ft/39 ft above here
temp, pavement temp, wind, visibility, precip
Citizen station DW3588DW3588
In a volunteer observer's own ground/9.6 mi away/185 ft/77 ft below here
temp, humidity, wind, precip, pressure
measured daily2 instruments
Tracy Pumping PlantTRPC1
At a cooperative observer's station/2.4 mi away/56 ft/206 ft below here
snowfall, snow depth, precip, high, low
Brentwood 2.5 SSWCA-CC-36
In a volunteer observer's own ground/9.7 mi away/182 ft/80 ft below here
precip, snowfall, snow depth
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in California
33 places, each with its own forecast and its own instruments.
Big Bear Mountainski areaBishopcityBridgeporttownChina Peakski areaDodge Ridgeski areaDonner PassfeatureFresnocityHeavenlysurveyed ski areaHomewoodski areaJune Mountainski areaKirkwoodsurveyed ski areaLos AngelescityMammoth LakestownMammoth Mountainsurveyed ski areaMount ShastafeatureMount Shasta CitycityMount Shasta Ski Parkski areaMount WhitneyfeatureMountain Highski areaNorthstarsurveyed ski areaPalisades Tahoesurveyed ski areaReddingcitySacramentocitySan DiegocitySan FranciscocitySierra NevadafeatureSierra-at-Tahoeski areaSnow Valleyski areaSouth Lake TahoecitySugar Bowlski areaSusanvillecityTruckeetownYosemitefeature
Near Bethany Reservoir State Recreation Area
The nearest places, each with its own forecast and the instruments nearest it.
- Mountain Housecommunity, 4 mi
- Byroncommunity, 7 mi
- Discovery Baycommunity, 9 mi
- Livermorecity, 10 mi
- Tracycity, 11 mi
- Brentwoodcity, 12 mi
- Knightsencommunity, 12 mi
- Camino Tassajaracommunity, 14 mi
- Oakleycity, 15 mi
- Dublincity, 15 mi
- Blackhawkcommunity, 15 mi
- Pleasantoncity, 16 mi