10-day forecast for Herndon, MO: 67° to 105°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
105°
Best day: Tuesday, August 18
88° · 0.1 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10101° / 78°0.01
Morning78°feels 79°
Afternoon101°feels 112°
Evening86°feels 91°
Overnight82°feels 82°
101 °
Herndon, Monday, 10 August
Light rain. High 101°, low 78°.
Pressure29.88 inHg
Wind13 mph SW
Humidity47%
Visibility6.2 mi
Dew point69°
Tue, 11101° / 75°0.01
Morning80°feels 80°
Afternoon100°feels 104°
Evening88°feels 91°
Overnight77°feels 77°
101 °
Herndon, Tuesday, 11 August
Light rain. High 101°, low 75°.
Pressure29.83 inHg
Wind18.4 mph SW
Humidity43%
Visibility6.2 mi
Dew point68°
Wed, 1292° / 76°0
Morning78°feels 78°
Afternoon93°feels 97°
Evening81°feels 84°
Overnight76°feels 76°
92 °
Herndon, Wednesday, 12 August
Overcast. High 92°, low 76°.
Pressure29.80 inHg
Wind8.3 mph W
Humidity43%
Visibility6.2 mi
Dew point68°
Thu, 1392° / 71°0
Morning77°feels 79°
Afternoon88°feels 93°
Evening80°feels 83°
Overnight73°feels 74°
92 °
Herndon, Thursday, 13 August
Light rain. High 92°, low 71°.
Pressure29.83 inHg
Wind22.9 mph E
Humidity52%
Visibility—
Dew point67°
Fri, 1483° / 67°0.02
Morning70°feels 70°
Afternoon76°feels 76°
Evening77°feels 78°
Overnight68°feels 69°
83 °
Herndon, Friday, 14 August
Light rain. High 83°, low 67°.
Pressure30.00 inHg
Wind16.3 mph E
Humidity72%
Visibility—
Dew point65°
Sat, 1592° / 68°0.04
Morning73°feels 75°
Afternoon86°feels 91°
Evening86°feels 92°
Overnight74°feels 76°
92 °
Herndon, Saturday, 15 August
Light rain. High 92°, low 68°.
Pressure30.06 inHg
Wind13.3 mph E
Humidity59%
Visibility—
Dew point67°
Sun, 1692° / 71°0
Morning78°feels 81°
Afternoon90°feels 96°
Evening86°feels 91°
Overnight76°feels 77°
92 °
Herndon, Sunday, 16 August
Partly cloudy. High 92°, low 71°.
Pressure30.06 inHg
Wind8.9 mph N
Humidity52%
Visibility—
Dew point68°
Mon, 1788° / 70°0.1
Morning75°feels 77°
Afternoon87°feels 91°
Evening81°feels 85°
Overnight74°feels 74°
88 °
Herndon, Monday, 17 August
Light rain. High 88°, low 70°.
Pressure30.03 inHg
Wind7.5 mph E
Humidity54%
Visibility—
Dew point67°
Tue, 18105° / 72°0
Morning80°feels 81°
Afternoon98°feels 100°
Evening95°feels 99°
Overnight83°feels 84°
105 °
Herndon, Tuesday, 18 August
Overcast. High 105°, low 72°.
Pressure29.85 inHg
Wind12.9 mph S
Humidity32%
Visibility—
Dew point60°
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 Herndon, MO 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.