What is today's weather forecast for Arco, ID?

Today's forecast for Arco shows a high of 47 degrees and a low of 27 degrees Fahrenheit. A slight chance of rain between 8am and 11am.

What is the 7-day weather forecast for Arco, ID?

The 7-day forecast for Arco shows highs from 33 to 47 degrees and lows from 14 to 27 degrees Fahrenheit. Expect precipitation on 1 day with chances of 20% or higher.

Will it rain in Arco, ID this week?

Yes, rain is possible in Arco this week. Precipitation chances: Thursday (20% chance).

How accurate is the Arco weather forecast?

WeatherForYou provides highly accurate Arco forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Arco, ID Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

37°F
Feels Like 37°F

Humidity 95% Dew Point 36°F Wind Calm Barometer 29.81 in.757.2 mm

Solar Rad 5 w/m²

Report from a personal weather station 0.7 miles SSE of central Arco
at 7:53 AM Thu, Nov 20, 2025

Point Forecast at a Glance

ThuNov 20

20%

FriNov 21

SatNov 22

SunNov 23

MonNov 24

TueNov 25

WedNov 26

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 47°F to 33°F. Mostly dry conditions with only one day showing rain chances.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 41°F and lows around 19°F.

This Date in Weather History

1914 - The high temperature of 28 degrees at Atlanta, GA, was their earliest daily high below the freezing mark.

Arco, ID 7 Day Weather Forecast Details

Thursday Nov 20

Day: A slight chance of rain between 8am and 11am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 47. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 20%.

Night: Partly cloudy, with a low around 27. North wind 5 to 7 mph.

Friday Nov 21

Day: Sunny, with a high near 46. North wind 5 to 7 mph becoming south southwest in the afternoon.

Night: Partly cloudy, with a low around 24. South southwest wind 5 to 7 mph becoming calm after midnight.

Saturday Nov 22

Day: Mostly sunny, with a high near 41. Calm wind becoming southeast around 5 mph in the afternoon.

Night: Partly cloudy, with a low around 23.

Sunday Nov 23

Day: Sunny, with a high near 44.

Night: Partly cloudy, with a low around 22.

Monday Nov 24

Day: Mostly sunny, with a high near 44.

Night: Partly cloudy, with a low around 17.

Tuesday Nov 25

Day: Mostly sunny, with a high near 34.

Night: Partly cloudy, with a low around 14.

Wednesday Nov 26

Day: Partly sunny, with a high near 33.

About Arco, ID

Arco is a city in Butte County, Idaho, United States. The population was 879 as of the 2020 United States census, down from 995 at the 2010 census. Arco is the county seat and largest city in Butte County.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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