Mercer, IA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Mercer, IA in one place.
Mostly cloudy. Low around 40, with temperatures rising to around 42 overnight. West southwest wind around 7 mph.
Local Weather Overview
This forecast page for Mercer, IA 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: Nov 8, 2026 3:52 AM CST.
The active forecast window currently covers Nov 8 to Nov 14, 2026 for Mercer, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 14, 2026
- Latest sync
- Nov 8, 2026 3:52 AM CST
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Mercer
Monday looks like the warmest upcoming period in Mercer at 66 degrees F.
Thursday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Monday at about 5 to 12 mph SSW.
The forecast from Nov 8 through Nov 14 stays mostly dry.
Forecast Details
- Last updated
- Nov 8, 2026 3:52 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 62, with temperatures falling to around 54 in the afternoon. Northwest wind 3 to 7 mph.
Mostly clear, with a low around 39. West southwest wind 0 to 3 mph.
Sunny. High near 66, with temperatures falling to around 60 in the afternoon. South southwest wind 5 to 12 mph, with gusts as high as 18 mph.
Mostly clear, with a low around 41. Northwest wind around 5 mph.
Sunny, with a high near 63.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 56.
Partly cloudy, with a low around 36.
Mostly sunny, with a high near 50.
Mostly clear, with a low around 30.
Sunny, with a high near 50.
Mostly clear, with a low around 35.
Sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 8
|
Mostly Cloudy
|
40°F |
7 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
62°F |
3 to 7 mph
NW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
39°F |
0 to 3 mph
WSW
|
|
Monday
Nov 9
|
Sunny
|
66°F |
5 to 12 mph
SSW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
41°F |
5 mph
NW
|
|
Tuesday
Nov 10
|
Sunny
|
63°F |
2 mph
ENE
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
42°F |
3 mph
ENE
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
56°F |
3 to 12 mph
N
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
36°F |
7 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
50°F |
5 to 9 mph
N
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
30°F |
3 mph
N
|
|
Friday
Nov 13
|
Sunny
|
50°F |
5 mph
N
|
|
Friday Night
Nov 13
|
Mostly Clear
|
35°F |
5 mph
SE
|
|
Saturday
Nov 14
|
Sunny
|
57°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mercer.