From 06d477bea73cd415cf7e118cce07285e1b5a6057 Mon Sep 17 00:00:00 2001
From: mfishma <mfishma@users.noreply.github.com>
Date: Mon, 31 Aug 2026 10:47:55 -0700
Subject: [PATCH] [whynter] Fix truncating Fahrenheit temps that should be
 rounded (#18813)

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
---
 esphome/components/whynter/whynter.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/esphome/components/whynter/whynter.cpp b/esphome/components/whynter/whynter.cpp
index b8a8db4d7c..f5f304aa17 100644
--- a/esphome/components/whynter/whynter.cpp
+++ b/esphome/components/whynter/whynter.cpp
@@ -84,8 +84,8 @@ void Whynter::transmit_state() {
 
   if (fahrenheit_) {
     remote_state |= UNIT_MASK;
-    uint8_t temp =
-        (uint8_t) clamp<float>(esphome::celsius_to_fahrenheit(this->target_temperature), TEMP_MIN_F, TEMP_MAX_F);
+    uint8_t temp = (uint8_t) roundf(
+        clamp<float>(esphome::celsius_to_fahrenheit(this->target_temperature), TEMP_MIN_F, TEMP_MAX_F));
     temp = esphome::reverse_bits(temp);
     remote_state |= temp;
   } else {