Frontenac, MN Weather Forecast

Local 7-day forecast

75°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Frontenac, MN in one place.

Wednesday, September 16, 2026
Wind: 0 to 5 mph ESE
Wednesday

Mostly sunny, with a high near 75. East southeast wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Frontenac, MN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 8:41 AM CDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for Frontenac, MN.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 21, 2026
Latest sync
Sep 15, 2026 8:41 AM CDT
Forecast office
MPX
Source
NOAA / NWS
Next High
75°F
Wednesday
Next Low
55°F
Wednesday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
10 to 15 mph
Friday Night

Daily Outlook

Today
Sep 16
Mostly Sunny
75 °F
/ 55°F
Wind 0 to 5 mph
Thu
Sep 17
Chance Rain Showers then Partly Sunny
77 °F
/ 54°F
Wind 0 to 5 mph
Fri
Sep 18
Showers And Thunderstorms
71 °F
/ 56°F
Wind 5 to 10 mph
Sat
Sep 19
Showers And Thunderstorms
74 °F
/ 52°F
Wind 10 mph
Sun
Sep 20
Partly Sunny
71 °F
/ 48°F
Wind 5 mph
Mon
Sep 21
Mostly Sunny
73 °F
/ 48°F
Wind 0 to 5 mph

This Week in Frontenac

Thursday looks like the warmest upcoming period in Frontenac at 77 degrees F.

Sunday Night is the coolest period ahead with temperatures near 48 degrees F.

The strongest winds are forecast for Friday Night at about 10 to 15 mph SE.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 8:41 AM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
MPX
Radar station
KMPX

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

Open NOAA source

Extended Forecast

Wednesday Night
Sep 16
55°F
Chance Rain Showers
0 to 5 mph SE

A chance of rain showers after 7pm. Mostly cloudy, with a low around 55. Southeast wind 0 to 5 mph. Chance of precipitation is 40%.

Thursday
Sep 17
77°F
Chance Rain Showers then Partly Sunny
0 to 5 mph NE

A chance of rain showers before 7am. Partly sunny, with a high near 77. Northeast wind 0 to 5 mph. Chance of precipitation is 30%.

Thursday Night
Sep 17
54°F
Mostly Cloudy then Chance Rain Showers
0 to 5 mph ENE

A chance of rain showers after 1am. Mostly cloudy, with a low around 54. East northeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.

Friday
Sep 18
71°F
Showers And Thunderstorms
5 to 10 mph ESE

Rain showers likely before 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 71. East southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Friday Night
Sep 18
56°F
Showers And Thunderstorms
10 to 15 mph SE

Showers and thunderstorms. Mostly cloudy. Low around 56, with temperatures rising to around 61 overnight. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

Saturday
Sep 19
74°F
Showers And Thunderstorms
10 mph WNW

Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 74. West northwest wind around 10 mph. Chance of precipitation is 80%.

Saturday Night
Sep 19
52°F
Slight Chance Showers And Thunderstorms then Mostly Cloudy
5 to 10 mph N

A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 52. North wind 5 to 10 mph. Chance of precipitation is 20%.

Sunday
Sep 20
71°F
Partly Sunny
5 mph NE

Partly sunny, with a high near 71. Northeast wind around 5 mph.

Sunday Night
Sep 20
48°F
Partly Cloudy
0 to 5 mph NE

Partly cloudy, with a low around 48. Northeast wind 0 to 5 mph.

Monday
Sep 21
73°F
Mostly Sunny
0 to 5 mph ENE

Mostly sunny, with a high near 73. East northeast wind 0 to 5 mph.

Monday Night
Sep 21
48°F
Mostly Clear
0 to 5 mph E

Mostly clear, with a low around 48. East wind 0 to 5 mph.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Mostly Sunny
75°F
0 to 5 mph
ESE
Wednesday Night
Sep 16
Chance Rain Showers
55°F
0 to 5 mph
SE
Thursday
Sep 17
Chance Rain Showers then Partly Sunny
77°F
0 to 5 mph
NE
Thursday Night
Sep 17
Mostly Cloudy then Chance Rain Showers
54°F
0 to 5 mph
ENE
Friday
Sep 18
Showers And Thunderstorms
71°F
5 to 10 mph
ESE
Friday Night
Sep 18
Showers And Thunderstorms
56°F
10 to 15 mph
SE
Saturday
Sep 19
Showers And Thunderstorms
74°F
10 mph
WNW
Saturday Night
Sep 19
Slight Chance Showers And Thunderstorms then Mostly Cloudy
52°F
5 to 10 mph
N
Sunday
Sep 20
Partly Sunny
71°F
5 mph
NE
Sunday Night
Sep 20
Partly Cloudy
48°F
0 to 5 mph
NE
Monday
Sep 21
Mostly Sunny
73°F
0 to 5 mph
ENE
Monday Night
Sep 21
Mostly Clear
48°F
0 to 5 mph
E
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.