TOTAL VOLUME:

$134.1b

24H VOL:

$133,388,117

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,436,095,462

405,232

Markets across

30,526

events

MATCHED EVENTS:

2,693

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Highest temperature in San Francisco on Jul 20, 2026?
kalshi

Highest temperature in San Francisco on Jul 20, 2026?

Volume:
$141,534

71° to 72°

 - Kalshi

71° to 72° - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 21, 2026

Closed: Jul 21, 4:00 AM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

71° to 72°

View
100%
Yes 100¢No 0¢
100¢
N/A
$23,079
N/A
N/A
$13,378
Settled
Yes
kalshi

68° or below

0%
Yes 0¢No 100¢
100¢
N/A
$62,055
N/A
N/A
$49,429
Settled
No
kalshi

69° to 70°

0%
Yes 0¢No 100¢
100¢
N/A
$33,517
N/A
N/A
$21,829
Settled
No
kalshi

73° to 74°

0%
Yes 0¢No 100¢
100¢
N/A
$15,868
N/A
N/A
$11,455
Settled
No
kalshi

75° to 76°

0%
Yes 0¢No 100¢
100¢
N/A
$3,892
N/A
N/A
$3,455
Settled
No
kalshi

77° or above

0%
Yes 0¢No 100¢
100¢
N/A
$3,124
N/A
N/A
$2,472
Settled
No
Total markets: 6

Description

This market tracks the highest daytime temperature recorded in San Francisco on July 20, 2026. The outcome will be determined by the official National Weather Service daily climatological report for that date, which provides the maximum temperature reading for the location.

Kalshi

Resolution is based on the maximum temperature recorded at San Francisco on July 20, 2026, according to the National Weather Service's Climatological Report (Daily), accessible via the NWS website for the San Francisco Bay Area office. The official data source is CLISFO from the NWS daily climate report for San Francisco Airport. Temperature readings are divided into six ranges: 68°F or below, 69-70°F, 71-72°F, 73-74°F, 75-76°F, and 77°F or above. Each range corresponds to a distinct market outcome. Traders should note that preliminary NWS data may be subject to rounding and conversion nuances, and the final official NWS Climatological Report (Daily) serves as the authoritative source, superseding other weather services.