FPUS64 KBRO 051827 SFTBRO TXZ248>255-351-353>355-451-454-455-052200- Tabular State Forecast for Deep South Texas National Weather Service Brownsville TX 127 PM CDT Tue May 5 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 Wed Thu Fri Sat Sun Mon May 05 May 06 May 07 May 08 May 09 May 10 May 11 ...Lower Texas Coast... Port Mansfield Mocldy Mocldy Mocldy Mocldy Ptcldy Ptcldy Mocldy /84 76/87 76/82 73/79 75/81 76/84 77/80 /00 00/00 00/20 40/40 10/20 00/00 00/20 Port Isabel Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy /84 77/87 77/84 73/81 76/84 78/86 79/83 /00 00/00 00/10 40/30 10/20 00/00 00/20 South Padre Island Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy /81 77/84 77/82 74/79 77/81 78/83 79/81 /00 00/00 00/10 40/30 10/20 00/00 00/20 ...Rio Grande Valley... Brownsville Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy /89 78/95 77/92 73/86 76/90 78/93 79/89 /00 00/00 00/10 40/30 20/20 00/00 10/20 Harlingen Ptcldy Mocldy Mocldy Mocldy Ptcldy Mocldy Mocldy /92 75/97 74/90 70/86 72/90 74/95 75/88 /00 00/00 00/20 40/30 20/20 00/00 00/20 Raymondville Ptcldy Mocldy Mocldy Cloudy Ptcldy Mocldy Mocldy /93 76/98 74/90 70/84 72/90 74/95 76/89 /00 00/00 00/20 40/30 20/20 00/00 00/20 Weslaco Ptcldy Mocldy Mocldy Mocldy Ptcldy Mocldy Mocldy /92 78/99 77/92 71/86 73/91 75/95 76/89 /00 00/00 00/20 50/30 30/20 00/00 10/30 McAllen Ptcldy Vryhot Mocldy Cloudy Mocldy Mocldy Mocldy /95 79/100 79/92 73/87 75/91 77/95 78/91 /00 00/00 00/20 50/30 30/20 00/00 10/30 ...Other Deep South Texas Cities... Rio Grande City Ptcldy Vryhot Mocldy Mocldy Ptcldy Ptcldy Mocldy /99 76/100 77/92 70/86 73/91 74/96 75/90 /00 00/00 10/30 50/30 40/10 00/00 10/30 Falfurrias Mocldy Ptcldy Mocldy Cloudy Mocldy Mocldy Mocldy /97 76/97 74/86 69/84 72/90 73/96 75/89 /00 00/00 00/30 40/40 20/20 00/00 20/20 Hebbronville Mocldy Ptcldy Mocldy Mocldy Ptcldy Mocldy Mocldy /96 76/96 74/84 68/83 71/88 73/94 74/88 /00 00/00 10/30 40/30 20/10 00/00 20/10 Zapata Vryhot Vryhot Mocldy Mocldy Ptcldy Ptcldy Mocldy /100 76/101 77/90 70/85 73/91 76/97 77/90 /00 00/00 10/30 50/20 30/10 00/00 20/20 $$