As of 22:02 CDT

Weather in Siam, IA

51°Current weather

Siam, Tuesday, 20 October, 22:02

Clear. Feels like 50°. High 72°, low 44°.

Pressure30.21 inHg
Wind0 mph N
Humidity93%
Visibility6.2 mi
Dew point49°

10-day forecast for Siam, IA: 31° to 74°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

74°
Best day: Sunday, October 25
63° · 0.39 in
Worst day: Monday, October 26

Tap any day below to see morning, afternoon, evening and overnight.

Wed, 2173° / 49°0Clear
MorningClear50°feels 49°
AfternoonClear71°feels 70°
EveningOvercast58°feels 57°
OvernightOvercast53°feels 52°
73 °Clear

Siam, Wednesday, 21 October

Clear. High 73°, low 49°.

Pressure30.21 inHg
Wind6.7 mph S
Humidity56%
Visibility6.2 mi
Dew point52°
Thu, 2274° / 46°0Clear
MorningClear47°feels 46°
AfternoonClear73°feels 72°
EveningClear63°feels 62°
OvernightClear50°feels 49°
74 °Clear

Siam, Thursday, 22 October

Clear. High 74°, low 46°.

Pressure30.24 inHg
Wind5.7 mph S
Humidity54%
Visibility6.2 mi
Dew point54°
Fri, 2374° / 55°0Overcast
MorningPartly cloudy55°feels 53°
AfternoonOvercast73°feels 72°
EveningOvercast66°feels 65°
OvernightClear57°feels 56°
74 °Overcast

Siam, Friday, 23 October

Overcast. High 74°, low 55°.

Pressure30.18 inHg
Wind11.9 mph SE
Humidity52%
Visibility6.2 mi
Dew point51°
Sat, 2474° / 58°0Clear
MorningOvercast59°feels 58°
AfternoonPartly cloudy72°feels 71°
EveningOvercast67°feels 66°
OvernightClear61°feels 60°
74 °Clear

Siam, Saturday, 24 October

Clear. High 74°, low 58°.

Pressure30.18 inHg
Wind11.7 mph S
Humidity53%
Visibility6.2 mi
Dew point50°
Sun, 2574° / 55°0Partly cloudy
MorningPartly cloudy60°feels 60°
AfternoonPartly cloudy71°feels 71°
EveningPartly cloudy64°feels 64°
OvernightPartly cloudy60°feels 60°
74 °Partly cloudy

Siam, Sunday, 25 October

Partly cloudy. High 74°, low 55°.

Pressure30.30 inHg
Wind7.6 mph S
Humidity50%
Visibility—
Dew point51°
Mon, 2663° / 43°0.39Rain
MorningRain59°feels 59°
AfternoonRain60°feels 58°
EveningRain45°feels 39°
OvernightRain46°feels 40°
63 °Rain

Siam, Monday, 26 October

Rain. High 63°, low 43°.

Pressure30.21 inHg
Wind14.5 mph N
Humidity63%
Visibility—
Dew point50°
Tue, 2747° / 35°0Partly cloudy
MorningPartly cloudy38°feels 31°
AfternoonPartly cloudy45°feels 40°
EveningPartly cloudy39°feels 34°
OvernightPartly cloudy36°feels 30°
47 °Partly cloudy

Siam, Tuesday, 27 October

Partly cloudy. High 47°, low 35°.

Pressure30.47 inHg
Wind13.3 mph N
Humidity47%
Visibility—
Dew point25°
Wed, 2851° / 31°0Clear
MorningClear36°feels 33°
AfternoonClear47°feels 44°
EveningClear43°feels 39°
OvernightClear39°feels 35°
51 °Clear

Siam, Wednesday, 28 October

Clear. High 51°, low 31°.

Pressure30.33 inHg
Wind8.5 mph W
Humidity43%
Visibility—
Dew point24°
Thu, 2954° / 36°0Clear
MorningClear41°feels 36°
AfternoonClear52°feels 49°
EveningClear46°feels 46°
OvernightClear42°feels 41°
54 °Clear

Siam, Thursday, 29 October

Clear. High 54°, low 36°.

Pressure30.27 inHg
Wind7 mph N
Humidity42%
Visibility—
Dew point28°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Siam, IA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.