New Boston, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for New Boston, IL in one place.
Sunny, with a high near 56.
Local Weather Overview
This forecast page for New Boston, IL 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: Apr 16, 2026 7:15 AM CDT.
The active forecast window currently covers Apr 19 to Apr 22, 2026 for New Boston, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 7:15 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in New Boston
Tuesday looks like the warmest upcoming period in New Boston at 73 degrees F.
Sunday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 15 mph SW.
The forecast from Apr 19 through Apr 22 stays mostly dry.
Forecast Details
- Last updated
- Apr 16, 2026 7:15 AM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 37.
Sunny, with a high near 65.
Mostly clear, with a low around 50.
Mostly sunny, with a high near 73.
Mostly clear, with a low around 52.
Sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Sunny
|
56°F |
5 to 10 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
37°F |
5 to 10 mph
S
|
|
Monday
Apr 20
|
Sunny
|
65°F |
5 to 10 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
50°F |
10 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
73°F |
10 to 15 mph
SW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
52°F |
5 to 10 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
72°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Boston.