10-day forecast for Old Fort Lyons, CO: 69° to 105°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
105°
Best day: Wednesday, August 12
93° · 0.11 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10103° / 72°0.02
Morning82°feels 81°
Afternoon103°feels 99°
Evening88°feels 85°
Overnight78°feels 77°
103 °
Old Fort Lyons, Monday, 10 August
Light rain. High 103°, low 72°.
Pressure29.74 inHg
Wind2 mph W
Humidity17%
Visibility6.2 mi
Dew point46°
Tue, 11102° / 77°0
Morning82°feels 81°
Afternoon101°feels 97°
Evening88°feels 85°
Overnight78°feels 78°
102 °
Old Fort Lyons, Tuesday, 11 August
Mostly clear. High 102°, low 77°.
Pressure29.74 inHg
Wind0.9 mph S
Humidity18%
Visibility6.2 mi
Dew point48°
Wed, 12105° / 78°0
Morning83°feels 82°
Afternoon103°feels 99°
Evening93°feels 89°
Overnight82°feels 81°
105 °
Old Fort Lyons, Wednesday, 12 August
Light rain. High 105°, low 78°.
Pressure29.65 inHg
Wind8.6 mph SW
Humidity19%
Visibility6.2 mi
Dew point50°
Thu, 1396° / 72°0
Morning77°feels 76°
Afternoon89°feels 87°
Evening78°feels 78°
Overnight76°feels 76°
96 °
Old Fort Lyons, Thursday, 13 August
Light rain. High 96°, low 72°.
Pressure29.71 inHg
Wind27.7 mph SE
Humidity31%
Visibility—
Dew point53°
Fri, 1496° / 69°0.05
Morning76°feels 75°
Afternoon90°feels 88°
Evening83°feels 82°
Overnight77°feels 77°
96 °
Old Fort Lyons, Friday, 14 August
Light rain. High 96°, low 69°.
Pressure29.83 inHg
Wind10.3 mph N
Humidity30%
Visibility—
Dew point53°
Sat, 1593° / 69°0.11
Morning74°feels 74°
Afternoon87°feels 85°
Evening83°feels 82°
Overnight75°feels 75°
93 °
Old Fort Lyons, Saturday, 15 August
Light rain. High 93°, low 69°.
Pressure30.00 inHg
Wind21.4 mph SE
Humidity34%
Visibility—
Dew point53°
Sun, 1696° / 71°0.05
Morning77°feels 76°
Afternoon92°feels 89°
Evening90°feels 87°
Overnight79°feels 79°
96 °
Old Fort Lyons, Sunday, 16 August
Light rain. High 96°, low 71°.
Pressure30.03 inHg
Wind13.3 mph S
Humidity26%
Visibility—
Dew point50°
Mon, 1797° / 70°0
Morning76°feels 76°
Afternoon92°feels 90°
Evening96°feels 92°
Overnight84°feels 82°
97 °
Old Fort Lyons, Monday, 17 August
Overcast. High 97°, low 70°.
Pressure29.94 inHg
Wind14.7 mph SE
Humidity29%
Visibility—
Dew point52°
Tue, 18102° / 76°0.04
Morning84°feels 82°
Afternoon99°feels 95°
Evening97°feels 93°
Overnight76°feels 76°
102 °
Old Fort Lyons, Tuesday, 18 August
Light rain. High 102°, low 76°.
Pressure29.88 inHg
Wind13.9 mph NE
Humidity19%
Visibility—
Dew point47°
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 Old Fort Lyons, CO 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.