Angwin - Pacific Union CollegeAWNC1
On a college campus/0.7 mi away/1,837 ft/194 ft above here
temp, wind, gust, humidity, pressure
Weather/California/Angwin
Angwin, California
Community in Napa County, California...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM PDT FRIDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR NORTH BAY INTERIOR MOUNTAINS... .Moderate offshore winds will develop Thursday evening into Friday morning over the North Bay Interior Mountains. Conditions will be very dry with very poor overnight humidity recoveries only reaching 14 to 24 percent. Rapid fire spread is possible given the combination of gusty northerly winds and very dry overnight conditions. The National Weather Service in San Francisco CA has issued a Red Flag Warning in effect from 10 PM this evening to 11 AM PDT Friday. * AFFECTED AREA...North Bay Interior Mountains. * TIMING...From 10 PM this evening to 11 AM PDT Friday. * WINDS 20 FOOT...North winds 20 to 30 mph with gusts up to 40 mph. The highest peaks above 4000ft will see gusts up to 60 mph. * RELATIVE HUMIDITY...Relative Humidity between 16 to 20 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
A Red Flag Warning is issued when weather conditions that promote rapid spread of fire which may become life-threatening are forecast. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. Please advise responding agencies or fire crews in the field of this fire weather alert. Follow all fire restrictions. One less spark, one less wildfire. Never leave burning debris or camp fires unattended; extinguish them completely. Avoid using equipment or machinery that could create a spark. Secure tow chains to avoid dragging and subsequent sparks. Never toss cigarette butts out of your vehicle's window. Remember, one less spark, one less flame. Familiarize yourself with your emergency plan! Where will you go? How will you get there? Do you have your go kit ready to go? Who will you call to let others know you are safe? Visit ready.gov/plan for more information.
74°
87°/53°
Clear·
Feels like 74°·Light air 4 mph N
Alert. A Red Flag Warning is in force for Angwin until 11 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Angwin is 74° and clear at 9 PM. The dew point is 38°, so the air feels dry and comfortable. Light air from the north at 4 mph.
Today and tonight. Tonight falls to about 60° 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 tomorrow, near 86°, and the coolest Tuesday, near 62°. The days ahead look dry.
The sky now. The Moon is a waxing crescent, 26% lit, and sets at 9:41 PM. The next full Moon is Sunday, Oct 25. 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 14 minutes long, 2 minutes shorter than yesterday.
0UV Low
45Air quality
37%Humidity
8%Cloud
Now
9:00 PM
74feels74
now, clear
Today
Oct 15
8753
UV 6
Fri
Oct 16
8660
UV 6
Sat
Oct 17
8457
UV 6
Sun
Oct 18
7452
UV 6
Mon
Oct 19
6445
15%
Tue
Oct 20
6246
28%
Wed
Oct 21
6646
17%
74°
87°53°
86°60°
84°57°
74°52°
64°45°
62°46°
66°46°
As of 9:00 PM in Angwin, California.
Air quality
The air at Angwin
Index 45, good, led by fine particles. Read at 8 PM from its reporting area, Santa Rosa (CA), 16 miles off.
45Good
- Fine particles (PM2.5)45Good-
- Ozone28Good-
The days ahead
Good each day through Tue Oct 20, led by ozone. Yesterday measured 39, good.
GoodModerate
- 39YesterdayOct 14
- 38TodayOct 15
- 39FriOct 16
- GoodSatOct 17
- GoodSunOct 18
- GoodMonOct 19
- GoodTueOct 20
Smoke, the next 45 hours
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.
Precipitation
What has fallen at Angwin
None in the last 3 days, to Thu 8 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 Angwin, the next 45 hours
Visibility stays 10 miles or more through Sat 5 PM.
F
Now, today, and the week
On the radar over Angwin, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 6 instruments nearest Angwin, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.
measured now4 instruments
Rank2,625of 4,465
Citizen station FW7177FW7177
In a volunteer observer's own ground/17.2 mi away/162 ft/1,481 ft below here
temp, humidity, wind, precip, pressure
Santa RosaSTS
At an airfield/20.3 mi away/103 ft/1,540 ft below here
temp, wind, gust, visibility, precip, pressure
Bodega 6 WSW93245
At a climate reference station/38.0 mi away/63 ft/1,580 ft below here
temp, humidity, wind, solar, precip
measured daily2 instruments
Angwin Pacific Union CollegeANGC1
On a college campus/0.3 mi away/1,795 ft/152 ft above here
snowfall, snow depth, precip, high, low
St. Helena 1.1 SCA-NP-7
In a volunteer observer's own ground/5.9 mi away/248 ft/1,395 ft below here
precip, snowfall, snow depth
Station report
The weather at Santa Rosa, drawn
The nearest airport reporting now, 20.3 mi from Angwin, California. From its report of Oct 15, 2026, 7:53 PM local time: 3 of its 6 sheets.
The sky
No cloud below 12,000 ft; visibility 10 mi or more.
The air
68.0 F with a dew point of 36.0 F, 31 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,200 ft up.
The wind
From the south (180 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 21 mph.
The full report of Santa Rosa, in 6 sheets, each beside the Field Book plates that explain it
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.
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Near Angwin
The nearest places, each with its own forecast and the instruments nearest it.
- Deer Parkcommunity, 3 mi
- St. Helenacity, 5 mi
- Calistogacity, 7 mi
- Rutherfordcommunity, 8 mi
- Oakvillecommunity, 10 mi
- Kenwoodcommunity, 12 mi
- Yountvillecity, 13 mi
- Middletowncommunity, 15 mi
- Glen Ellencommunity, 16 mi
- Moskowite Cornercommunity, 16 mi
- Eldridgecommunity, 16 mi
- Hidden Valley Lakecommunity, 17 mi