FPUS64 KBRO 191717 SFTBRO TXZ248>255-351-353>355-451-454-455-192200- Tabular State Forecast for Deep South Texas National Weather Service Brownsville TX 1217 PM CDT Thu Mar 19 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 Fri Sat Sun Mon Tue Wed Mar 19 Mar 20 Mar 21 Mar 22 Mar 23 Mar 24 Mar 25 ...Lower Texas Coast... Port Mansfield Sunny Sunny Sunny Sunny Sunny Sunny Sunny /74 61/78 64/80 64/81 65/79 64/78 65/79 /00 00/00 00/00 00/00 00/00 00/10 00/00 Port Isabel Sunny Sunny Sunny Sunny Sunny Sunny Sunny /76 65/78 67/80 68/80 69/80 68/79 68/79 /00 00/00 00/00 00/00 00/00 00/10 00/00 South Padre Island Sunny Sunny Sunny Sunny Sunny Sunny Sunny /72 67/75 68/77 69/77 70/77 69/76 69/76 /00 00/00 00/00 00/00 00/00 00/10 00/00 ...Rio Grande Valley... Brownsville Sunny Sunny Sunny Sunny Sunny Sunny Sunny /82 61/85 64/87 65/86 66/88 65/87 65/87 /00 00/00 00/00 00/00 00/00 00/10 00/00 Harlingen Sunny Sunny Sunny Sunny Sunny Sunny Sunny /85 57/90 60/92 61/91 62/91 61/89 62/91 /00 00/00 00/00 00/00 00/00 00/00 00/00 Raymondville Sunny Sunny Sunny Sunny Sunny Sunny Sunny /84 56/90 60/92 61/91 62/90 60/89 61/91 /00 00/00 00/00 00/00 00/00 00/00 00/00 Weslaco Sunny Sunny Sunny Sunny Sunny Sunny Sunny /86 59/90 63/92 63/91 64/92 63/91 64/91 /00 00/00 00/00 00/00 00/00 00/00 00/00 McAllen Sunny Sunny Sunny Sunny Sunny Sunny Sunny /88 61/93 65/95 65/94 66/95 65/93 66/94 /00 00/00 00/00 00/00 00/00 00/00 00/00 ...Other Deep South Texas Cities... Rio Grande City Sunny Sunny Sunny Sunny Sunny Sunny Sunny /88 58/92 60/95 61/95 63/93 62/93 63/94 /00 00/00 00/00 00/00 00/00 00/00 00/00 Falfurrias Sunny Sunny Sunny Sunny Sunny Ptcldy Sunny /88 55/92 59/95 60/94 61/94 59/92 61/94 /00 00/00 00/00 00/00 00/00 00/00 00/00 Hebbronville Sunny Sunny Sunny Sunny Sunny Sunny Sunny /86 56/92 59/94 59/93 60/93 59/91 61/93 /00 00/00 00/00 00/00 00/00 00/00 00/00 Zapata Sunny Sunny Sunny Sunny Sunny Sunny Sunny /87 58/93 60/95 61/95 62/94 62/93 63/95 /00 00/00 00/00 00/00 00/00 00/00 00/00 $$