Merwin Weather Forecast
- 73
- 96
Mostly Sunny
- 74
- 96
Mostly Sunny
- 73
- 94
Chance Thunderstorms
- 73
- 94
Slight Chance Thunderstorms
- 74
- 96
Mostly Sunny
- 74
- 98
Hot
Today 22 Jul Bates
Sunny, hot with Highs in the mid 90s. South Winds 10 to 15 Mph. Heat index Values up to 107.
Tonight 22 Jul Bates
Mostly clear. Lows in the lower 70s. South Winds 5 to 10 Mph. Heat index Values up to 105 early in the evening.
Merwin Temperature Statistics
July Temperature
Olathe, Johnson County Executive Airport (31.7 miles)
Lowest 2 July, 2025
65.6 °FAverage July
80.3 °FHighest 16 July, 2025
94.6 °F
Climate (2020–Present)
Olathe, Johnson County Executive Airport (31.7 miles)
Average Low 2020–2025
47.3 °FAverage 2020–2025
57 °FAverage High 2020–2025
67 °F