NOAA GHCND · LIVE

Weather on March 21

Omaha, NE

55 Years of Data

Avg High
51°F
Avg Low
30°F
Warmest
2026
69°F avg
Coldest
2020
20°F avg

About This Date

March 21st in Omaha, NE typically brings cool spring weather, with average highs around 51°F and lows near 30°F. Over 55 years of records, the warmest March 21st was in 2026 (69°F average), while the coldest was 2020 (20°F) — a 49°F range across recorded history. Precipitation has occurred on 18% of recorded March 21st dates, with snow falling 4% of the time (heaviest snowfall: 3.5"). The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.

Planning for March 21st in Omaha, NE? Bring layers as temperatures can vary throughout the day.

Warming Trend
1.0°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest85°53°69°
202546°20°33°
202443°27°35°
202358°29°43°
202272°40°56°
202161°34°47°
2020coldest27°14°20°
201955°30°43°
201838°29°33°
201764°43°53°
201646°25°35°
201573°30°52°
201462°34°48°
201332°13°22°
201257°52°54°0.91"
201166°37°52°
201031°22°26°
200956°37°46°
200860°37°49°
200753°30°42°0.03"
200633°25°29°0.86"3.5"
200551°25°38°
200455°22°38°
200346°30°38°
200255°13°34°
200154°38°46°
200054°39°46°
199953°29°41°
199848°26°37°
199748°23°36°
199646°18°32°
199564°30°47°
199338°32°35°0.38"
199249°28°38°
199166°40°53°0.2"
199071°43°57°
198942°13°27°
198866°30°48°
198758°37°47°
198652°24°38°
198563°40°51°
198435°32°34°
198335°20°27°
198242°25°33°
198141°38°39°0.51"
198046°25°35°
197950°40°45°0.1"
197860°30°45°
197739°26°33°0.08"0.3"
197645°25°35°
197551°35°43°0.13"
197440°21°
197354°29°41°
197257°39°48°0.46"
197140°32°36°
55 years of data from BENNINGTON 3WSW

Omaha, NE Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

0°20°40°60°80°JFMAMJJASOND
Avg high Avg low

Omaha, NE Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"5.4"10.7"JFMAMJJASOND4.4"0"
Rain (in) Snow (in)

Omaha, NE Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Omaha, NE

Omaha, NE has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery