Great Miami River from Sidney to Hamilton, OH
08/18/2026 08:00 AM
65°F
TEMPERATURE
Winds 3 mph N
Sunny
Sunny, with a high near 80. Northwest wind around 6 mph.
Moonrise
02:25 PM
Moonset
12:17 AM
Sunrise
06:51 AM
Moon Phase
Waxing crescent
Sunset
08:30 PM

Hourly Forecast

Tue, 08:00 AM

Sunny
Winds: 3 mph N
65°

Tue, 09:00 AM

Sunny
Winds: 3 mph N
66°

Tue, 10:00 AM

Sunny
Winds: 3 mph N
69°

Tue, 11:00 AM

Sunny
Winds: 5 mph N
72°

Tue, 12:00 PM

Sunny
Winds: 5 mph N
74°

Tue, 01:00 PM

Mostly Sunny
Winds: 5 mph NW
76°

Tue, 02:00 PM

Mostly Sunny
Winds: 6 mph NW
77°

Tue, 03:00 PM

Sunny
Winds: 6 mph NW
78°

Tue, 04:00 PM

Sunny
Winds: 6 mph NW
78°

Tue, 05:00 PM

Mostly Sunny
Winds: 5 mph NW
78°

Tue, 06:00 PM

Partly Cloudy
Winds: 5 mph W
79°

Tue, 07:00 PM

Mostly Clear
Winds: 5 mph W
77°

Tue, 08:00 PM

Mostly Clear
Winds: 3 mph W
75°

Tue, 09:00 PM

Mostly Clear
Winds: 2 mph W
72°

Tue, 10:00 PM

Mostly Clear
Winds: 1 mph SW
70°

Tue, 11:00 PM

Partly Cloudy
Winds: 1 mph SW
69°

Wed, 12:00 AM

Partly Cloudy
Winds: 2 mph SW
68°

Wed, 01:00 AM

Partly Cloudy
Winds: 2 mph SW
67°

Wed, 02:00 AM

Mostly Cloudy
Winds: 2 mph SW
67°

Wed, 03:00 AM

Partly Cloudy
Winds: 2 mph SW
67°

Wed, 04:00 AM

Mostly Cloudy
Winds: 2 mph SW
66°

Wed, 05:00 AM

Partly Cloudy
Winds: 3 mph SW
66°

Wed, 06:00 AM

Mostly Sunny
Winds: 3 mph SW
66°

Wed, 07:00 AM

Mostly Sunny
Winds: 3 mph SW
65°

Today

Sunny
80°
Winds: 6 mph NW
Sunny, with a high near 80. Northwest wind around 6 mph.

Tonight

Partly Cloudy
64°
Winds: 1 to 5 mph SW
Partly cloudy, with a low around 64. Southwest wind 1 to 5 mph.

Wednesday

Mostly Cloudy then Chance Showers And Thunderstorms
79°
Winds: 3 to 8 mph SW
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Southwest wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night

Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
65°
Winds: 1 to 6 mph NW
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Northwest wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Chance Rain Showers
80°
Winds: 1 to 7 mph NE
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Northeast wind 1 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night

Chance Showers And Thunderstorms then Partly Cloudy
61°
Winds: 2 to 7 mph NE
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Friday

Mostly Sunny
81°
Winds: 2 to 6 mph NE
Mostly sunny, with a high near 81.

Friday Night

Mostly Clear
62°
Winds: 2 to 6 mph N
Mostly clear, with a low around 62.

Saturday

Mostly Sunny then Chance Showers And Thunderstorms
81°
Winds: 2 to 10 mph W
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.

Saturday Night

Chance Showers And Thunderstorms
61°
Winds: 5 to 10 mph NW
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

Sunday

Sunny
78°
Winds: 5 to 10 mph NW
Sunny, with a high near 78.

Sunday Night

Mostly Clear
59°
Winds: 2 to 9 mph NW
Mostly clear, with a low around 59.

Monday

Mostly Sunny
79°
Winds: 2 to 7 mph NW
Mostly sunny, with a high near 79.

Monday Night

Partly Cloudy
61°
Winds: 2 to 7 mph NE
Partly cloudy, with a low around 61.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan TODAY.Southwest winds 5 to 10 knots. Mostly sunny. Waves around 1 foot. .TONIGHT.Southwest winds 10 to 15 knots becoming northwest. Showers likely with a chance of thunderstorms. Waves 1 to 2 feet. .WEDNESDAY.North winds 5 to 10 knots. A slight chance of showers in the morning. Waves 1 to 2 feet. .WEDNESDAY NIGHT.North winds 10 knots or less becoming east. Partly cloudy. Waves around 1 foot. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 70 degrees and at Michigan City is 62 degrees.

New Buffalo MI to St Joseph MI

TODAY
Southwest winds 5 to 10 knots Sunny this morning, then becoming partly sunny Waves 1 to 2 feet
TONIGHT
Southwest winds 10 to 15 knots becoming northwest Showers likely with a chance of thunderstorms Waves 1 to 2 feet
WEDNESDAY
North winds 5 to 10 knots A slight chance of showers in the morning Waves 1 to 2 feet
WEDNESDAY NIGHT
North winds 5 to 10 knots becoming light and variable Partly cloudy Waves around 1 foot
Reporting time 03:32 AM EDT Tue Aug 18 2026
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