FPUS64 KBRO 050817 SFTBRO TXZ248>255-351-353>355-451-454-455-052200- Tabular State Forecast for Deep South Texas National Weather Service Brownsville TX 317 AM 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 Mocldy Mocldy Mocldy /84 76/87 76/83 72/79 73/82 74/85 75/82 /00 00/00 00/20 40/30 10/10 00/00 10/20 Port Isabel Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy /84 77/87 77/84 74/81 74/83 76/85 76/83 /00 00/00 00/10 40/30 10/10 00/00 10/20 South Padre Island Mocldy Ptcldy Mocldy Mocldy Mocldy Mocldy Mocldy /81 78/83 77/82 75/79 75/81 76/82 76/81 /00 00/00 00/10 40/30 10/10 00/00 10/20 ...Rio Grande Valley... Brownsville Mocldy Mocldy Mocldy Cloudy Mocldy Mocldy Mocldy /90 77/94 77/92 73/85 72/89 75/91 76/89 /00 00/00 00/20 40/30 10/10 00/00 10/30 Harlingen Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy /93 75/97 74/91 70/86 69/90 72/94 72/90 /00 00/00 00/20 40/30 10/10 00/00 10/20 Raymondville Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy /93 76/98 75/92 69/85 70/90 72/94 73/90 /00 00/00 10/20 40/30 10/10 10/00 10/30 Weslaco Mocldy Ptcldy Mocldy Mocldy Mocldy Mocldy Mocldy /93 77/98 77/94 71/86 71/92 74/95 74/92 /00 00/00 10/20 50/30 20/10 10/00 10/30 McAllen Mocldy Vryhot Mocldy Cloudy Mocldy Mocldy Mocldy /96 79/101 79/94 72/87 73/92 76/96 76/93 /00 00/00 10/20 50/30 20/10 10/00 10/30 ...Other Deep South Texas Cities... Rio Grande City Mocldy Vryhot Mocldy Mocldy Mocldy Mocldy Mocldy /99 75/101 77/93 69/87 70/93 74/97 73/91 /00 00/00 10/30 50/20 20/10 10/00 10/30 Falfurrias Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy /97 76/97 75/88 69/85 68/91 71/97 73/90 /00 00/00 10/40 40/30 10/10 10/00 10/20 Hebbronville Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy Mocldy /96 76/97 75/86 67/84 68/91 71/96 71/89 /00 00/00 10/30 40/30 20/10 10/00 20/20 Zapata Ptcldy Vryhot Mocldy Mocldy Mocldy Mocldy Mocldy /99 76/101 77/91 69/87 71/93 74/97 73/91 /00 00/00 20/30 40/20 20/10 10/00 20/20 $$