National Weather Service Forecast for: Anderson IN
Issued by: National Weather Service Indianapolis, IN
Updated: 10:21 pm EDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 56. Northwest wind around 6 mph becoming calm  after midnight.
Mostly Clear

Juneteenth

Juneteenth: Sunny, with a high near 76. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 58. West northwest wind 5 to 7 mph becoming calm  in the evening.
Partly Cloudy

Saturday

Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 18 mph.
Mostly Sunny
then Slight
Chance
T-storms
Saturday
Night
Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 60. West wind around 5 mph becoming calm  in the evening.
Slight Chance
T-storms then
Partly Cloudy
Sunday

Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 78. Calm wind becoming southeast around 6 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Chance
Showers then
Showers
Likely
Sunday
Night
Sunday Night: Showers and possibly a thunderstorm.  Low around 62. East wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%.
Showers

Monday

Monday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 75. East wind 11 to 14 mph becoming north in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 50%.
Chance
Showers

Monday
Night
Monday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 56. North wind 5 to 9 mph becoming calm  after midnight.
Slight Chance
T-storms then
Partly Cloudy
Lo 56 °F Hi 76 °F Lo 58 °F Hi 79 °F Lo 60 °F Hi 78 °F Lo 62 °F Hi 75 °F Lo 56 °F

Hazardous Weather Outlook
 

Tonight
 
Mostly clear, with a low around 56. Northwest wind around 6 mph becoming calm after midnight.
Juneteenth
 
Sunny, with a high near 76. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
 
Partly cloudy, with a low around 58. West northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
 
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 18 mph.
Saturday Night
 
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.
Sunday
 
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
 
Showers and possibly a thunderstorm. Low around 62. East wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Monday
 
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. East wind 11 to 14 mph becoming north in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Monday Night
 
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 56. North wind 5 to 9 mph becoming calm after midnight.
Tuesday
 
Mostly sunny, with a high near 76. North northeast wind 3 to 6 mph.
Tuesday Night
 
Partly cloudy, with a low around 57.
Wednesday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Wednesday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Thursday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.

 

Forecast from NOAA-NWS for Anderson IN.