McLennan County climate

McLennan County Weather in March

NOAA 1991-2020 normals for Waco Dam, 5.6 km from McLennan County

Average highs run from 64°F on March 1 to 73°F on March 31, and lows from 44°F to 51°F. Normal precipitation for the month is 3.51 in over about 8 wet days.

March day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at McLennan County, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
68°F
Average low
48°F
Precipitation
3.51 in
Record high
100°FMar 28, 1971
Record low
15°FMar 3, 1943
Chance of a freeze
68%
Daylight
11 h 31 min to 12 h 30 min
Cloud cover
60%
Humidity
75%
Dew point
49°F
Wind
10.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Mar 164°F44°F86°F 200621°F 198025%0%
Mar 265°F44°F84°F 197617°F 198025%0%
Mar 365°F44°F87°F 202615°F 194325%0%
Mar 465°F45°F87°F 197623°F 200225%0%
Mar 565°F45°F97°F 199120°F 201925%0%
Mar 666°F45°F91°F 199120°F 201525%0%
Mar 766°F46°F89°F 195121°F 198925%0%
Mar 866°F46°F88°F 195123°F 199625%0%
Mar 966°F46°F88°F 199316°F 199625%0%
Mar 1067°F46°F94°F 195420°F 194825%0%
Mar 1167°F47°F93°F 195515°F 194824%0%
Mar 1267°F47°F88°F 195517°F 194824%0%
Mar 1367°F47°F92°F 197123°F 194824%0%
Mar 1468°F47°F95°F 196726°F 195024%0%
Mar 1568°F48°F92°F 202629°F 195424%0%
Mar 1668°F48°F86°F 201828°F 202624%0%
Mar 1769°F48°F88°F 197226°F 202624%0%
Mar 1869°F48°F87°F 198226°F 198024%0%
Mar 1969°F48°F87°F 195226°F 202324%0%
Mar 2070°F49°F89°F 202622°F 196524%0%
Mar 2170°F49°F91°F 202625°F 199623%0%
Mar 2270°F49°F92°F 202630°F 195523%0%
Mar 2371°F49°F88°F 202530°F 196823%0%
Mar 2471°F50°F88°F 202030°F 196623%0%
Mar 2571°F50°F91°F 202529°F 195523%0%
Mar 2671°F50°F94°F 201122°F 201323%0%
Mar 2772°F50°F93°F 195627°F 195523%0%
Mar 2872°F50°F100°F 197126°F 195523%0%
Mar 2972°F50°F91°F 194630°F 198723%0%
Mar 3073°F51°F96°F 194629°F 200323%0%
Mar 3173°F51°F93°F 194630°F 198723%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at McLennan County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

March 1
sunrise 6:56 AM, sunset 6:27 PM
March 31
sunrise 7:18 AM, sunset 7:48 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00419417 (Waco Dam), public domain. Records: NOAA GHCN-Daily, station USW00013959, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.