FPUS64 KBRO 221740 SFTBRO TXZ248>255-351-353>355-451-454-455-222200- Tabular State Forecast for Deep South Texas National Weather Service Brownsville TX 1240 PM CDT Sun Mar 22 2026 ROWS INCLUDE... Daily predominant daytime weather 6AM-6PM Forecast temperatures...early morning low/daytime high Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM - indicates temperatures below zero MM indicates missing data FCST FCST FCST FCST FCST FCST FCST Today Mon Tue Wed Thu Fri Sat Mar 22 Mar 23 Mar 24 Mar 25 Mar 26 Mar 27 Mar 28 ...Lower Texas Coast... Port Mansfield Sunny Sunny Sunny Sunny Sunny Sunny Ptcldy /78 66/78 66/78 67/79 68/80 67/79 67/75 /00 00/00 00/10 00/00 00/00 00/00 00/10 Port Isabel Sunny Sunny Sunny Sunny Sunny Sunny Ptcldy /79 68/79 69/79 69/80 70/80 70/80 69/77 /00 00/00 00/10 00/00 00/00 00/00 00/10 South Padre Island Sunny Sunny Sunny Sunny Sunny Sunny Sunny /76 70/76 70/76 71/77 70/77 71/77 70/75 /00 00/00 00/10 00/00 00/00 00/00 00/10 ...Rio Grande Valley... Brownsville Sunny Sunny Sunny Sunny Sunny Sunny Ptcldy /85 64/86 66/87 67/87 68/86 67/87 66/84 /00 00/00 00/20 00/00 00/00 00/00 00/10 Harlingen Sunny Sunny Sunny Sunny Sunny Sunny Ptcldy /89 61/88 62/89 63/90 64/90 64/90 62/86 /00 00/00 00/10 00/00 00/00 00/00 00/10 Raymondville Sunny Sunny Sunny Sunny Sunny Sunny Ptcldy /89 61/88 62/89 64/90 64/91 64/91 62/83 /00 00/00 00/10 00/00 00/00 00/00 00/10 Weslaco Sunny Sunny Sunny Sunny Sunny Sunny Ptcldy /89 64/90 65/91 66/91 67/91 67/91 65/85 /00 00/00 00/10 00/00 00/00 00/00 00/10 McAllen Sunny Sunny Sunny Sunny Sunny Sunny Ptcldy /93 65/93 66/93 68/94 69/93 68/94 67/89 /00 00/00 00/10 00/00 00/00 00/00 00/10 ...Other Deep South Texas Cities... Rio Grande City Sunny Sunny Sunny Sunny Sunny Sunny Ptcldy /93 63/92 64/93 65/95 65/95 65/95 64/86 /00 00/00 00/10 00/00 00/00 00/00 00/10 Falfurrias Sunny Sunny Ptcldy Sunny Sunny Sunny Ptcldy /93 60/91 61/92 63/94 65/94 64/93 62/85 /00 00/00 00/10 00/00 00/00 00/00 00/00 Hebbronville Sunny Ptcldy Ptcldy Sunny Sunny Sunny Ptcldy /93 61/91 62/91 63/93 64/95 64/93 61/82 /00 00/00 00/00 00/00 00/00 00/00 00/00 Zapata Sunny Sunny Sunny Sunny Sunny Sunny Ptcldy /94 62/91 64/92 64/95 65/96 64/96 62/85 /00 00/00 00/00 00/00 00/00 00/00 00/10 $$