10-day forecast for Arnold, MD: 36° to 82°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
82°
Best day: Wednesday, October 14
71° · 1.63 in
Worst day: Sunday, October 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1278° / 60°0.2
Morning61°feels 61°
Afternoon75°feels 76°
Evening70°feels 70°
Overnight65°feels 66°
78 °
Arnold, Monday, 12 October
Rain. High 78°, low 60°.
Pressure29.88 inHg
Wind10.9 mph N
Humidity66%
Visibility6.2 mi
Dew point57°
Tue, 1379° / 58°0
Morning59°feels 59°
Afternoon79°feels 79°
Evening70°feels 70°
Overnight62°feels 62°
79 °
Arnold, Tuesday, 13 October
Clear. High 79°, low 58°.
Pressure30.00 inHg
Wind5.4 mph SW
Humidity63%
Visibility6.2 mi
Dew point62°
Wed, 1482° / 65°0
Morning67°feels 67°
Afternoon82°feels 85°
Evening76°feels 77°
Overnight67°feels 67°
82 °
Arnold, Wednesday, 14 October
Mostly clear. High 82°, low 65°.
Pressure29.94 inHg
Wind7.5 mph W
Humidity62%
Visibility6.2 mi
Dew point66°
Thu, 1570° / 63°0
Morning63°feels 63°
Afternoon66°feels 65°
Evening67°feels 66°
Overnight70°feels 71°
70 °
Arnold, Thursday, 15 October
Mostly clear. High 70°, low 63°.
Pressure30.21 inHg
Wind8.3 mph N
Humidity69%
Visibility—
Dew point55°
Fri, 1682° / 58°0.13
Morning66°feels 66°
Afternoon72°feels 73°
Evening65°feels 65°
Overnight59°feels 58°
82 °
Arnold, Friday, 16 October
Light rain. High 82°, low 58°.
Pressure29.71 inHg
Wind19.2 mph NW
Humidity78%
Visibility—
Dew point65°
Sat, 1755° / 40°0
Morning49°feels 43°
Afternoon49°feels 43°
Evening49°feels 45°
Overnight42°feels 34°
55 °
Arnold, Saturday, 17 October
Clear. High 55°, low 40°.
Pressure29.94 inHg
Wind21.1 mph NW
Humidity49%
Visibility—
Dew point30°
Sun, 1850° / 36°0
Morning39°feels 29°
Afternoon44°feels 37°
Evening49°feels 44°
Overnight42°feels 38°
50 °
Arnold, Sunday, 18 October
Clear. High 50°, low 36°.
Pressure30.47 inHg
Wind18.5 mph NW
Humidity42%
Visibility—
Dew point21°
Mon, 1957° / 40°0
Morning43°feels 43°
Afternoon50°feels 48°
Evening55°feels 52°
Overnight45°feels 42°
57 °
Arnold, Monday, 19 October
Overcast. High 57°, low 40°.
Pressure30.65 inHg
Wind8.1 mph SW
Humidity41%
Visibility—
Dew point25°
Tue, 2065° / 43°0
Morning47°feels 43°
Afternoon59°feels 56°
Evening62°feels 60°
Overnight52°feels 50°
65 °
Arnold, Tuesday, 20 October
Mostly clear. High 65°, low 43°.
Pressure30.45 inHg
Wind7 mph SW
Humidity38%
Visibility—
Dew point30°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Arnold, MD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.