ChesterO05
At an airfield/1.4 mi away/4,534 ft/level with here
temp, wind, gust, visibility, precip, pressure
Weather/California/Chester
Alert. A Red Flag Warning is in force for Chester until 10 AM today. Read the alert in full, and see what it means in the Field Book.
Now. Chester is 47° and mostly clear at 1 AM. The dew point is 23°, so the air feels dry and comfortable. Light breeze from the north at 5 mph.
Today and tonight. It warms to about 76° by 3 PM. Tonight falls to about 41° by 6 AM, under a mostly clear sky. No rain is expected for the rest of the day. The sun is strong around midday: UV index 6, high. Unprotected skin can burn in under half an hour.
The week. The warmest day ahead is tomorrow, near 76°, and the coolest Tuesday, near 56°. Rain is possible Tuesday (33%). The first freeze could come Tuesday, a low of 31°.
The sky tonight. The sun sets at 6:24 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:24 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 8 minutes long, 3 minutes shorter than yesterday.
As of 1:00 AM in Chester, California.
Air quality
Index 39, good, led by fine particles. Read at 12 AM from its reporting area, Quincy (CA), 29 miles off.
Yesterday measured 23, good.
No smoke near the ground through Sat 5 PM.
Precipitation
None in the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sat 5 PM.
F
Now, today, and the week
On the radar over Chester, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
The 7 instruments nearest Chester, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.
measured now5 instruments
ChesterO05
At an airfield/1.4 mi away/4,534 ft/level with here
temp, wind, gust, visibility, precip, pressure
Chester (GOES)CESC1
At a river or reservoir gauge/1.4 mi away/4,537 ft/3 ft above here
temp, wind, gust, humidity, pressure
Morgan SummitCF179
Beside a road/16.6 mi away/5,763 ft/1,229 ft above here
temp, pavement temp, wind, visibility, precip
Citizen station DW2000DW2000
In a volunteer observer's own ground/33.6 mi away/4,163 ft/371 ft below here
temp, humidity, wind, precip, pressure
Eagle LakeS2192
At a soil climate station/34.3 mi away/5,134 ft/600 ft above here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Chester 0.2 ENECA-PM-13
In a volunteer observer's own ground/0.1 mi away/4,525 ft/9 ft below here
precip, snowfall, snow depth
ChesterCHEC1
At a cooperative observer's station/0.6 mi away/4,547 ft/13 ft above here
snowfall, snow depth, precip, high, low
Station report
The nearest instrument reporting now, 1.4 mi from Chester, California. From its report of Oct 16, 2026, 12:02 AM local time: 3 of its 5 sheets.
47.0 F with a dew point of 24.5 F, 41 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,100 ft up.
From the northwest (305 degrees) at 2 mph, gusting 4 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 4 mph.
At 4,537 ft above sea level, 15 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 25.33 inHg and the temperature at 42.8 F; it reports 47.0 F, 4.2 F warmer than standard.
The full report of Chester (GOES), in 5 sheets, each beside the Field Book plates that explain it
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Snow on the ground
33 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.