Weather on March 20

Grand Prairie, TX

55 Years of Data

Avg High
70°F
Avg Low
49°F
Warmest
2026
74°F avg
Coldest
1971
42°F avg

About This Date

March 20th in Grand Prairie, TX typically brings pleasant spring weather, with average highs around 70°F and lows near 49°F. Over 56 years of records, the warmest March 20th was in 2026 (74°F average), while the coldest was 1971 (42°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 21% of March 20th dates historically, with the wettest March 20th recording 9.8" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.

Planning for March 20th in Grand Prairie, TX? Great weather for outdoor activities.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest88°60°74°
202565°44°54°
202471°49°60°
202355°41°48°
202282°51°67°
202168°42°55°
202080°56°68°1.4"
201969°48°59°
201872°44°58°
201782°63°72°
201658°40°49°
201576°54°65°0.08"
201464°39°52°
201367°47°57°
201280°52°66°9.75"
201181°63°72°
201073°36°54°3.12"
200978°54°66°
200867°47°57°0.1"
200767°67°67°
200654°49°51°6.55"
200569°50°60°
200478°68°73°
200372°51°61°
200263°45°54°9.8"
200155°40°47°
200072°44°58°
199960°43°51°
199857°39°48°
199775°52°63°
199654°37°45°
199580°57°69°
199482°63°72°
199357°50°54°
199265°42°53°
199170°59°64°
199065°38°51°
198982°44°63°
198884°43°63°
198779°57°68°
198657°38°47°
198570°54°62°2.16"
198470°36°53°
198352°39°45°
198280°60°70°
198170°40°55°
198079°47°63°0.03"
197967°58°62°
197879°62°70°0.23"
197771°36°53°
197679°55°67°
197582°55°69°
197459°39°49°0.48"
197362°44°53°
197282°62°72°0.08"
1971coldest57°27°42°
56 years of data from DALLAS HENSLEY FLD NAS

Browse Weather History

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

March 20th Weather in Grand Prairie, TX - 55 Years of History