As of 12:59 CDT

Weather in Markham, OK

92°

Markham, Saturday, 8 August, 12:59

Clear. Feels like 94°. High 94°, low 73°.

Pressure29.97 inHg

Wind7.9 mph SE

Humidity41%

Visibility6.2 mi

Dew point65°

See detailed hourly forecast

Sun, 09100° / 73°

100 °

Markham, Sunday, 9 August

Clear. High 100°, low 73°.

Pressure29.91 inHg

Wind15.3 mph S

Humidity25%

Visibility6.2 mi

Dew point58°

Mon, 10109° / 79°

109 °

Markham, Monday, 10 August

Clear. High 109°, low 79°.

Pressure29.88 inHg

Wind16.4 mph SW

Humidity24%

Visibility6.2 mi

Dew point59°

Tue, 11111° / 83°

111 °

Markham, Tuesday, 11 August

Clear. High 111°, low 83°.

Pressure29.85 inHg

Wind16.6 mph SW

Humidity22%

Visibility6.2 mi

Dew point59°

Wed, 12107° / 85°

107 °

Markham, Wednesday, 12 August

Overcast. High 107°, low 85°.

Pressure29.83 inHg

Wind17.3 mph SW

Humidity21%

Visibility6.2 mi

Dew point57°

Thu, 1395° / 80°

0.16

95 °

Markham, Thursday, 13 August

Rain. High 95°, low 80°.

Pressure29.83 inHg

Wind20.9 mph S

Humidity39%

Visibility—

Dew point65°

Fri, 1489° / 71°

0.07

89 °

Markham, Friday, 14 August

Light rain. High 89°, low 71°.

Pressure30.03 inHg

Wind15.8 mph NE

Humidity73%

Visibility—

Dew point69°

Sat, 15108° / 73°

0.01

108 °

Markham, Saturday, 15 August

Light rain. High 108°, low 73°.

Pressure29.97 inHg

Wind16.1 mph S

Humidity27%

Visibility—

Dew point57°

Sun, 16111° / 85°

111 °

Markham, Sunday, 16 August

Overcast. High 111°, low 85°.

Pressure29.94 inHg

Wind19.4 mph SW

Humidity18%

Visibility—

Dew point52°

Mon, 17112° / 85°

112 °

Markham, Monday, 17 August

Mostly clear. High 112°, low 85°.

Pressure29.88 inHg

Wind18.3 mph SW

Humidity15%

Visibility—

Dew point49°

Tue, 18107° / 77°

107 °

Markham, Tuesday, 18 August

Overcast. High 107°, low 77°.

Pressure29.88 inHg

Wind17.3 mph E

Humidity22%

Visibility—

Dew point52°

Wed, 19104° / 83°

104 °

Markham, Wednesday, 19 August

Overcast. High 104°, low 83°.

Pressure29.85 inHg

Wind19.8 mph NE

Humidity24%

Visibility—

Dew point56°

Thu, 2075° / 66°

0.15

75 °

Markham, Thursday, 20 August

Light rain. High 75°, low 66°.

Pressure30.18 inHg

Wind20.2 mph NE

Humidity63%

Visibility—

Dew point59°

Fri, 2190° / 62°

90 °

Markham, Friday, 21 August

Clear. High 90°, low 62°.

Pressure30.12 inHg

Wind12.4 mph S

Humidity34%

Visibility—

Dew point51°

Sat, 2296° / 70°

96 °

Markham, Saturday, 22 August

Overcast. High 96°, low 70°.

Pressure30.00 inHg

Wind14 mph S

Humidity36%

Visibility—

Dew point60°

Sun, 2375° / 66°

0.72

75 °

Markham, Sunday, 23 August

Rain. High 75°, low 66°.

Pressure29.94 inHg

Wind20.3 mph SE

Humidity81%

Visibility—

Dew point67°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Markham, OK are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Markham, OK since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.