Arnold, MD Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Arnold, MD in one place.
Mostly sunny, with a high near 87.
Local Weather Overview
This forecast page for Arnold, MD 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 12, 2026 6:43 AM EDT.
The active forecast window currently covers Apr 15 to Apr 18, 2026 for Arnold, MD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 18, 2026
- Latest sync
- Apr 12, 2026 6:43 AM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Arnold
Wednesday looks like the warmest upcoming period in Arnold at 87 degrees F.
Friday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Thursday at about 3 to 9 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 12, 2026 6:43 AM EDT
- Coverage
- 4 days
- Time zone
- America/New_York
- Forecast office
- LWX
- Radar station
- KLWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 67.
Partly sunny, with a high near 86.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 66.
A slight chance of rain showers. Partly sunny, with a high near 81.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 60.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Mostly Sunny
|
87°F |
2 to 8 mph
SW
|
|
Wednesday Night
Apr 15
|
Mostly Cloudy
|
67°F |
3 to 8 mph
SW
|
|
Thursday
Apr 16
|
Partly Sunny
|
86°F |
3 to 9 mph
SW
|
|
Thursday Night
Apr 16
|
Slight Chance Rain Showers
|
66°F |
3 to 9 mph
SW
|
|
Friday
Apr 17
|
Slight Chance Rain Showers
|
81°F |
3 to 7 mph
NW
|
|
Friday Night
Apr 17
|
Slight Chance Rain Showers then Partly Cloudy
|
60°F |
5 mph
E
|
|
Saturday
Apr 18
|
Mostly Sunny then Slight Chance Rain Showers
|
81°F |
2 to 9 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arnold.