Arco, ID Hourly Weather Forecast | Weather Underground

Tue, Nov 17, 2026

Tuesday

Wed 11/18

High 37°f

Cloudy with rain and snow in the morning. Snow showers in the afternoon. Temps nearly steady in the mid 30s. Winds SSW at 5 to 10 mph. Chance of precip 100%. Snow accumulations less than one inch.

Tuesday night

Wed 11/18

Low 19°f

50% Precip. / 0.3 in

Snow showers before midnight. Becoming partly cloudy later. Low 19F. Winds WSW at 5 to 10 mph. Chance of snow 50%.

Sunrise 7:30 AM

Sunset 5:05 PM

Moonrise 1:36 PM

Moonset -

First Quarter, 53% visible

Hourly Forecast

12AM

37°

1AM

37°

2AM

37°

3AM

37°

4AM

37°

5AM

47%

36°

6AM

62%

36°

7AM

83%

36°

7:29AM

Sunrise

8AM

86%

35°

9AM

95%

34°

10AM

94%

34°

11AM

87%

34°

12PM

72%

35°

1PM

55%

36°

2PM

46%

37°

3PM

40%

37°

4PM

50%

36°

5PM

34%

35°

5:05PM

Sunset

6PM

50%

34°

7PM

49%

33°

8PM

48%

33°

9PM

50%

32°

10PM

49%

32°

11PM

31°

Time	Conditions	Temp.	Feels Like	Precip	Amount	Cloud Cover	Dew Point	Humidity	Wind	Pressure
12:00 am	Cloudy	37°F	34°F	6%	0in	91%	32°F	83%	3 mph N	29.87in
1:00 am	Cloudy	37°F	35°F	6%	0in	93%	32°F	83%	3 mph N	29.85in
2:00 am	Cloudy	37°F	35°F	9%	0in	97%	32°F	82%	3 mph N	29.84in
3:00 am	Cloudy	37°F	34°F	24%	0in	98%	32°F	83%	3 mph N	29.83in
4:00 am	Cloudy	37°F	34°F	24%	0in	98%	33°F	86%	4 mph NNW	29.82in
5:00 am	Showers	36°F	33°F	47%	0.01in	98%	33°F	87%	4 mph N	29.81in
6:00 am	Rain	36°F	33°F	62%	0.03in	100%	34°F	90%	4 mph N	29.8in
7:00 am	Rain	36°F	32°F	83%	0.04in	100%	34°F	93%	5 mph N	29.81in
8:00 am	Rain	35°F	31°F	86%	0.04in	100%	34°F	98%	4 mph NNW	29.81in
9:00 am	Rain	34°F	31°F	95%	0.06in	100%	34°F	100%	4 mph NW	29.81in
10:00 am	Snow	34°F	30°F	94%	0.06in	100%	34°F	100%	4 mph WNW	29.82in
11:00 am	Snow	34°F	31°F	87%	0.04in	100%	34°F	100%	4 mph S	29.81in
12:00 pm	Snow	35°F	31°F	72%	0.02in	100%	35°F	100%	4 mph SSE	29.79in
1:00 pm	Snow Showers	36°F	32°F	55%	0.02in	99%	35°F	94%	5 mph SSE	29.77in
2:00 pm	Snow Showers	37°F	32°F	46%	0.01in	99%	34°F	91%	6 mph S	29.76in
3:00 pm	Snow Showers	37°F	31°F	40%	0.01in	99%	34°F	90%	7 mph S	29.75in
4:00 pm	Snow Showers	36°F	30°F	50%	0.01in	99%	34°F	90%	8 mph SSW	29.75in
5:00 pm	Few Snow Showers	35°F	29°F	34%	0in	99%	33°F	93%	8 mph SSW	29.76in
6:00 pm	Snow Showers	34°F	27°F	50%	0.01in	99%	33°F	98%	7 mph SSW	29.77in
7:00 pm	Snow Showers	33°F	27°F	49%	0.01in	98%	33°F	98%	7 mph SW	29.77in
8:00 pm	Snow Showers	33°F	27°F	48%	0.01in	97%	32°F	98%	6 mph WSW	29.77in
9:00 pm	Snow Showers	32°F	26°F	50%	0.01in	94%	32°F	97%	7 mph WSW	29.78in
10:00 pm	Snow Showers	32°F	25°F	49%	0.01in	95%	31°F	98%	6 mph WSW	29.79in
11:00 pm	Cloudy	31°F	25°F	24%	0in	93%	31°F	98%	6 mph WSW	29.81in

Additional Conditions

Pressure 30.13 in
Visibility 10 miles
Clouds Partly Cloudy
Dew Point33°F
Humidity 72%
Rainfall 0 in
Snow Depth 0 in

KAOC Station History

Almanac for November 15, 2026

Forecast Average Record
Temperature
High 43°F 43°F 70°F 1945
Low 24°F 19°F -14°F 1955
Rain/Snow Depth
Precipitation 0 in 4.9 in -
Snow 0 in 0.1 in -

Almanac for November 16, 2026

Forecast Average Record
Temperature
High 47°F 42°F 63°F
Low 29°F 19°F -20°F

Astronomy

Sun Rise Set
Actual Time 7:27 AM 5:07 PM
Civil Twilight 6:56 AM 5:38 PM
Nautical Twilight 6:21 AM 6:13PM
Astronomical Twilight 5:47 AM 6:47 PM

Length of Visible Light 10h 42m
Length of Day 9h 40m
Tomorrow will be 2 minutes 12 seconds shorter

Moon 12:50 PM 10:25 PM
Waxing Crescent34% of the Moon is Illuminated

Nov 17

Waxing Half First Qtr

Nov 24

Full Moon

Nov 30

Waning Half Last Qtr

Dec 8

New Moon

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