Bonneville County, ID Weather Forecast

County weather hub

53°
F

Sunny

Compare major city weather across Bonneville County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Thursday, October 15, 2026
Wind: 7 to 10 mph NNE
This Afternoon

Sunny. High near 53, with temperatures falling to around 49 in the afternoon. North northeast wind 7 to 10 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Bonneville County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 4 of 4 mapped cities in Bonneville County.

Page Snapshot

Page focus
county weather
Forecast window
Oct 15 to Oct 21, 2026
Latest sync
Oct 15, 2026 2:44 PM MDT
Forecast office
PIH
Source
NOAA / NWS
Next High
53°F
This Afternoon
Next Low
36°F
Tonight
Rain Outlook
4
Periods mentioning precipitation
Windiest
6 to 20 mph
Saturday Night

Daily Outlook

Today
Oct 15
Sunny
53 °F
/ 36°F
Wind 7 to 10 mph
Fri
Oct 16
Sunny
55 °F
/ 38°F
Wind 5 to 17 mph
Sat
Oct 17
Sunny
56 °F
/ 38°F
Wind 10 to 17 mph
Sun
Oct 18
Sunny
54 °F
/ 38°F
Wind 7 to 15 mph
Mon
Oct 19
Sunny
56 °F
/ 43°F
Wind 9 to 17 mph
Tue
Oct 20
Chance Light Rain
52 °F
/ 42°F
Wind 8 to 17 mph
Wed
Oct 21
Chance Rain
50 °F
/ 41°F
Wind 7 to 12 mph

This Week in Bonneville County

Saturday looks like the warmest upcoming period in Bonneville County at 56 degrees F.

Tonight is the coolest period ahead with temperatures near 36 degrees F.

The strongest winds are forecast for Saturday Night at about 6 to 20 mph SSE.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Oct 15, 2026 2:44 PM MDT
Coverage
8 days
Time zone
America/Boise
Forecast office
PIH
Radar station
KSFX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight
Oct 15
36°F
Mostly Clear
6 to 16 mph E

Mostly clear, with a low around 36. East wind 6 to 16 mph, with gusts as high as 22 mph.

Friday
Oct 16
55°F
Sunny
5 to 17 mph S

Sunny. High near 55, with temperatures falling to around 52 in the afternoon. South wind 5 to 17 mph, with gusts as high as 24 mph.

Friday Night
Oct 16
38°F
Partly Cloudy
5 to 16 mph SSE

Partly cloudy, with a low around 38. South southeast wind 5 to 16 mph, with gusts as high as 23 mph.

Saturday
Oct 17
56°F
Sunny
10 to 17 mph S

Sunny, with a high near 56. South wind 10 to 17 mph, with gusts as high as 24 mph.

Saturday Night
Oct 17
38°F
Mostly Clear
6 to 20 mph SSE

Mostly clear, with a low around 38.

Sunday
Oct 18
54°F
Sunny
7 to 15 mph S

Sunny, with a high near 54.

Sunday Night
Oct 18
38°F
Mostly Clear
2 to 15 mph SSW

Mostly clear, with a low around 38.

Monday
Oct 19
56°F
Sunny
9 to 17 mph S

Sunny, with a high near 56.

Monday Night
Oct 19
43°F
Partly Cloudy
3 to 16 mph SSE

Partly cloudy, with a low around 43.

Tuesday
Oct 20
52°F
Chance Light Rain
8 to 17 mph S

A chance of rain. Partly sunny, with a high near 52. Chance of precipitation is 40%.

Tuesday Night
Oct 20
42°F
Chance Light Rain
5 to 10 mph SSE

A chance of rain. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.

Wednesday
Oct 21
50°F
Chance Rain
7 to 12 mph S

A chance of rain. Partly sunny, with a high near 50. Chance of precipitation is 40%.

Wednesday Night
Oct 21
41°F
Chance Light Rain
5 to 12 mph SSE

A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Oct 15
Sunny
53°F
7 to 10 mph
NNE
Tonight
Oct 15
Mostly Clear
36°F
6 to 16 mph
E
Friday
Oct 16
Sunny
55°F
5 to 17 mph
S
Friday Night
Oct 16
Partly Cloudy
38°F
5 to 16 mph
SSE
Saturday
Oct 17
Sunny
56°F
10 to 17 mph
S
Saturday Night
Oct 17
Mostly Clear
38°F
6 to 20 mph
SSE
Sunday
Oct 18
Sunny
54°F
7 to 15 mph
S
Sunday Night
Oct 18
Mostly Clear
38°F
2 to 15 mph
SSW
Monday
Oct 19
Sunny
56°F
9 to 17 mph
S
Monday Night
Oct 19
Partly Cloudy
43°F
3 to 16 mph
SSE
Tuesday
Oct 20
Chance Light Rain
52°F
8 to 17 mph
S
Tuesday Night
Oct 20
Chance Light Rain
42°F
5 to 10 mph
SSE
Wednesday
Oct 21
Chance Rain
50°F
7 to 12 mph
S
Wednesday Night
Oct 21
Chance Light Rain
41°F
5 to 12 mph
SSE

Coverage

Tracked cities
4
Coverage
100%

Forecast coverage currently spans 4 of 4 mapped cities in Bonneville County.

Largest mapped city population in this region: 62,888.

Bonneville County Courthouse Idaho Falls
Bonneville County Courthouse Idaho Falls image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.