Griffith, IN Weather Forecast
Local 7-day forecast
Patchy Fog then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Griffith, IN in one place.
Patchy fog before 8am. Partly sunny, with a high near 89. Heat index values as high as 97. Southwest wind 0 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Griffith, IN 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: Jul 25, 2026 3:41 PM CDT.
The active forecast window currently covers Jul 26 to Jul 31, 2026 for Griffith, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 26 to Jul 31, 2026
- Latest sync
- Jul 25, 2026 3:41 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Griffith
Monday looks like the warmest upcoming period in Griffith at 92 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 25, 2026 3:41 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 73. Heat index values as high as 96. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 92. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
Mostly sunny, with a high near 81.
Mostly clear, with a low around 63.
Sunny, with a high near 80.
Mostly clear, with a low around 63.
Sunny, with a high near 84.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 65.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jul 26
|
Patchy Fog then Partly Sunny
|
89°F |
0 to 10 mph
SW
|
|
Sunday Night
Jul 26
|
Chance Showers And Thunderstorms
|
73°F |
5 to 10 mph
SSW
|
|
Monday
Jul 27
|
Chance Showers And Thunderstorms
|
92°F |
5 to 15 mph
SSW
|
|
Monday Night
Jul 27
|
Chance Showers And Thunderstorms
|
70°F |
10 mph
WNW
|
|
Tuesday
Jul 28
|
Mostly Sunny
|
81°F |
10 to 15 mph
N
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
63°F |
5 to 15 mph
N
|
|
Wednesday
Jul 29
|
Sunny
|
80°F |
5 to 10 mph
NNE
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
63°F |
0 to 10 mph
N
|
|
Thursday
Jul 30
|
Sunny
|
84°F |
0 to 5 mph
NNE
|
|
Thursday Night
Jul 30
|
Slight Chance Showers And Thunderstorms
|
65°F |
0 to 5 mph
E
|
|
Friday
Jul 31
|
Slight Chance Showers And Thunderstorms
|
84°F |
0 to 5 mph
ESE
|
|
Friday Night
Jul 31
|
Slight Chance Showers And Thunderstorms
|
67°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Griffith.
