Storm Station
Coloma, California
64° 80°/57°
Overcast· Feels like 64°·Light air 2 mph SSW
Mostly cloudy. Low around 58, with temperatures rising to around 61 overnight. Wind around 0 mph.
0UV Low
43Air quality
33%Humidity
89%Cloud
Now
12:45 AM
64feels64
now, overcast
Today
Sep 27
8057
overcast
Mon
Sep 28
8452
clear day
Tue
Sep 29
9262
13mph
overcast
Wed
Sep 30
9464
clear day
Thu
Oct 1
9567
clear day
Fri
Oct 2
9869
overcast
Sat
Oct 3
10170
mostly clear day
64°
80°57°
84°52°
92°62°
94°64°
95°67°
98°69°
101°70°

As of 12:45 AM in Coloma, California.

What is measuring near here

The 5 instruments nearest Coloma, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.8 miles away.

measured now3 instruments

Pilot Hill (CDF)PLTC1

At a river or reservoir gauge/6.8 mi away/1,168 ft/381 ft above here

temp, wind, gust, humidity, pressure

Rank683of 3,115

PlacervillePVF

At an airfield/9.0 mi away/2,585 ft/1,798 ft above here

temp, wind, gust, visibility, precip, pressure

Rank2,789of 3,115

50EB at Riverton BarnCD043

Beside a road/22.6 mi away/3,212 ft/2,425 ft above here

temp, pavement temp, wind, visibility, precip

Rank2,566of 3,115

measured daily2 instruments

Kelsey 1NKLSC1

At a cooperative observer's station/3.8 mi away/1,961 ft/1,174 ft above here

snowfall, snow depth, precip, high, low

Rank-

Placerville 6.1 WNWCA-ED-8

In a volunteer observer's own ground/4.4 mi away/1,401 ft/614 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Placerville, drawn

The nearest airport reporting now, 9.0 mi from Coloma. From its report of Sep 27, 2026, 12:15 AM local time: 3 of its 5 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Placerville, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PVFFIG. A THE SKY OVER PLACERVILLESECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPlacerville, the skySTATION REPORT · ASOS PVFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-PVF-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

64.4 F with a dew point of 41.0 F, 42 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,300 ft up.

Chart of the air at Placerville: temperature 64.4 degrees Fahrenheit and dew point 41.0, 42 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PVFFIG. B THE AIR AT PLACERVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00030 F40 F50 F60 F70 F80 FSATURATES 5,300 FT ABOVE THE STATION, AT 36.0 FTEMPERATURE 64.4 FDEW POINT 41.0 FSPREAD 23.4 FRELATIVE HUMIDITY 42 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEPlacerville, the airSTATION REPORT · ASOS PVFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-PVF-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 2,585 ft above sea level, 9 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 27.23 inHg and the temperature at 49.8 F; the station's altimeter setting of 29.96 inHg means its barometer reads 27.27 inHg; it reports 64.4 F, 14.6 F warmer than standard.

Section from sea level of where Placerville stands in the atmosphere, height to scale: the station 2,585 feet above sea level with 9 per cent of the air below it; the standard atmosphere's pressure there, 27.23 inches of mercury, and temperature, 49.8 degrees Fahrenheit; the altimeter setting of 29.96 and the station pressure it means, 27.27.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PVFFIG. D WHERE PLACERVILLE STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREPLACERVILLE9 PER CENT OF THE AIR BELOW IT2,585 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE27.23 inHgSTANDARD TEMPERATURE HERE49.8 FALTIMETER SETTING, REPORTED29.96 inHgITS BAROMETER READS27.27 inHgTEMPERATURE, REPORTED64.4 FTITLEPlacerville, the columnSTATION REPORT · ASOS PVFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-PVF-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Placerville, in 5 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in California

33 places, each with its own forecast and its own instruments.

Near Coloma

The nearest places, each with its own forecast and the instruments nearest it.