Arco Weather Forecast 15 Days, Weather in Arco Today
Current weather conditions and 15 day weather forecast for Arco, Idaho, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Arco
| 09 February 2026 Monday -1.1 ° C / 30°F  Clear |
Feels Like : -5.8 ° C / 21.5°F Humidity : % 98 Pressure : 1020 mb Wind Speed : 20.2 kmph / 12.5 miles from SW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 17 |
15 day weather forecast for Arco, ID, USA
Weather Forecast for next 15 Days for Arco including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Arco, Idaho state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 February 2026 Monday |  Partly Cloudy |
-2.8 ° C (27°F) |
5 ° C (41°F) |
1.2 ° C (34.2°F) |
% 67 | 0% | 0.5 | Sunrise:07:40 AM Sunset: 05:56 PM |
Moonrise:01:47 AM Moonset: 10:53 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday |  Overcast |
-5.7 ° C (21.7°F) |
0.9 ° C (33.6°F) |
-2.6 ° C (27.3°F) |
% 65 | 0% | 0.4 | Sunrise:07:39 AM Sunset: 05:57 PM |
Moonrise:02:52 AM Moonset: 11:26 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday |  Moderate or heavy snow showers |
-4.1 ° C (24.6°F) |
1.8 ° C (35.2°F) |
-1.3 ° C (29.6°F) |
% 89 | 81% | 0.4 | Sunrise:07:37 AM Sunset: 05:58 PM |
Moonrise:03:54 AM Moonset: 12:07 PM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Sunny |
-4.3 ° C (24.2°F) |
4.6 ° C (40.3°F) |
-0.3 ° C (31.4°F) |
% 74 | 0% | 0.5 | Sunrise:07:36 AM Sunset: 06:00 PM |
Moonrise:04:50 AM Moonset: 12:57 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Partly Cloudy |
-3.7 ° C (25.3°F) |
2.1 ° C (35.8°F) |
-1.4 ° C (29.4°F) |
% 77 | 0% | 0 | Sunrise:07:35 AM Sunset: 06:01 PM |
Moonrise:05:39 AM Moonset: 01:57 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday |  Cloudy |
-3.2 ° C (26.2°F) |
2.1 ° C (35.7°F) |
-1.1 ° C (30°F) |
% 68 | 0% | 1 | Sunrise:07:33 AM Sunset: 06:02 PM |
Moonrise:06:19 AM Moonset: 03:03 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Partly Cloudy |
-3.8 ° C (25.1°F) |
1.5 ° C (34.7°F) |
-1.2 ° C (29.9°F) |
% 71 | 0% | 2 | Sunrise:07:32 AM Sunset: 06:04 PM |
Moonrise:06:52 AM Moonset: 04:13 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday |  Patchy light snow |
-3.2 ° C (26.3°F) |
1.2 ° C (34.2°F) |
-0.7 ° C (30.7°F) |
% 80 | 0% | 1 | Sunrise:07:30 AM Sunset: 06:05 PM |
Moonrise:07:19 AM Moonset: 05:25 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Sunny |
-4.2 ° C (24.5°F) |
2.3 ° C (36.1°F) |
-1.4 ° C (29.6°F) |
% 72 | 0% | 2 | Sunrise:07:29 AM Sunset: 06:06 PM |
Moonrise:07:42 AM Moonset: 06:36 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Sunny |
-3.7 ° C (25.4°F) |
3.5 ° C (38.3°F) |
-0.8 ° C (30.5°F) |
% 62 | 0% | 2 | Sunrise:07:27 AM Sunset: 06:08 PM |
Moonrise:08:02 AM Moonset: 07:49 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Sunny |
-4 ° C (24.8°F) |
3 ° C (37.4°F) |
-1.1 ° C (30°F) |
% 58 | 0% | 2 | Sunrise:07:26 AM Sunset: 06:09 PM |
Moonrise:08:21 AM Moonset: 09:01 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday |  Light freezing rain |
-3.6 ° C (25.5°F) |
-0.4 ° C (31.3°F) |
-2.2 ° C (28.1°F) |
% 54 | 70% | 1 | Sunrise:07:24 AM Sunset: 06:10 PM |
Moonrise:08:42 AM Moonset: 10:16 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Sunny |
-5.6 ° C (21.9°F) |
1.4 ° C (34.5°F) |
-2.5 ° C (27.4°F) |
% 47 | 0% | 2 | Sunrise:07:23 AM Sunset: 06:12 PM |
Moonrise:09:04 AM Moonset: 11:33 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Partly Cloudy |
-3.1 ° C (26.4°F) |
4.5 ° C (40.1°F) |
-0.3 ° C (31.5°F) |
% 56 | 0% | 2 | Sunrise:07:21 AM Sunset: 06:13 PM |
Moonrise:09:30 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
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