A potential washout hangs over the fifth and final T20I between India and West Indies at the M. Chinnaswamy Stadium in Bengaluru on Saturday, 18 October 2025, with weather forecasts pointing to heavy precipitation through much of match day. The series is locked at 2-2, making this the decisive contest of one of the most high-scoring T20 campaigns played on Indian soil in recent memory.

Weather Forecast for Match Day

According to AccuWeather, there is a 90% overall chance of precipitation in Bengaluru on Saturday. Rain had already lashed the city on Friday, leading to waterlogging in several areas, and the downpours are expected to persist.

Hourly projections paint a concerning picture for organisers and fans. Chances of rain stand at just 11% at noon but climb sharply to 34% by 2 PM and 40% by 3 PM. The forecast then spikes to 68% and 71% in the two hours that follow — covering the critical pre-match build-up window.

Closer to match time, rain probability is at 49% at 6 PM, rising to 64% at 7 PM — precisely when the first ball is expected to be bowled. It holds near 49% through the following two hours before fluctuating to 56% at 10 PM and 49% at 11 PM, suggesting persistent threat well into the night.

A Series That Has Rewritten Scoring Benchmarks

The rain threat is particularly frustrating given the scale of the contest the series has delivered. Four matches in, no total has looked safe — and several have looked absurd by conventional standards.

In the first T20I in Lucknow, India chased down a modest 172 with relative comfort. The second game in Ranchi saw West Indies overhaul a massive 250, a scoreline that would have seemed implausible a decade ago. India then defended 223 in the third match in Indore by 14 runs, only to fall short chasing 248 in the fourth T20I in Hyderabad, losing by 24 runs.

This is the third consecutive bilateral T20I series between these two sides to go to a decider, underscoring the competitiveness of the rivalry.

Why Chinnaswamy Is a Venue to Watch

The M. Chinnaswamy Stadium has historically been one of the most batting-friendly venues in India. Its short boundaries and typically true pitches have produced some of the highest scores in Indian Premier League (IPL) history. Had weather permitted, another 220-plus total would have been well within expectation for a ground that rarely flatters bowlers.

Notably, this is also a venue where Dew can be a significant factor in evening matches, often shifting advantage sharply toward the side batting second — another variable that will no longer matter if the match cannot begin.

What Happens If the Match Is Washed Out

If weather prevents a result, the five-match series will end in a 2-2 draw. There is no reserve day scheduled. Given the level of cricket both sides have produced across the first four games, a no-result finish in the decider would represent a significant anticlimactic outcome for a series that had promised one of the great T20 finales of the year.

All eyes will be on Saturday morning conditions in Bengaluru, with groundstaff and match officials expected to make a final assessment closer to the toss time.