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As of 12:33 CDT

Weather in Siam, IA

71°Current weather

Siam, Wednesday, 21 October, 12:33

Clear. Feels like 70°. High 73°, low 53°.

Pressure30.21 inHg
Wind8.1 mph SW
Humidity53%
Visibility6.2 mi
Dew point53°

10-day forecast for Siam, IA: 40° to 75°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

75°
Best day: Thursday, October 22
65° · 0.21 in
Worst day: Monday, October 26

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

Thu, 2275° / 53°0Clear
MorningClear54°feels 53°
AfternoonClear75°feels 74°
EveningClear64°feels 64°
OvernightClear57°feels 56°
75 °Clear

Siam, Thursday, 22 October

Clear. High 75°, low 53°.

Pressure30.24 inHg
Wind4.1 mph S
Humidity57%
Visibility6.2 mi
Dew point55°
Fri, 2374° / 55°0Overcast
MorningClear55°feels 54°
AfternoonOvercast73°feels 73°
EveningOvercast66°feels 65°
OvernightClear57°feels 57°
74 °Overcast

Siam, Friday, 23 October

Overcast. High 74°, low 55°.

Pressure30.18 inHg
Wind12 mph SE
Humidity54%
Visibility6.2 mi
Dew point52°
Sat, 2474° / 57°0Clear
MorningOvercast57°feels 56°
AfternoonOvercast74°feels 73°
EveningOvercast66°feels 65°
OvernightOvercast61°feels 60°
74 °Clear

Siam, Saturday, 24 October

Clear. High 74°, low 57°.

Pressure30.21 inHg
Wind12.2 mph S
Humidity51%
Visibility6.2 mi
Dew point51°
Sun, 2575° / 56°0Overcast
MorningOvercast58°feels 57°
AfternoonOvercast72°feels 71°
EveningOvercast67°feels 66°
OvernightOvercast60°feels 59°
75 °Overcast

Siam, Sunday, 25 October

Overcast. High 75°, low 56°.

Pressure30.27 inHg
Wind6.8 mph S
Humidity55%
Visibility6.2 mi
Dew point53°
Mon, 2665° / 51°0.21Rain
MorningRain61°feels 60°
AfternoonRain64°feels 63°
EveningRain57°feels 57°
OvernightRain53°feels 52°
65 °Rain

Siam, Monday, 26 October

Rain. High 65°, low 51°.

Pressure30.12 inHg
Wind12.1 mph NW
Humidity63%
Visibility—
Dew point51°
Tue, 2760° / 51°0.05Light rain
MorningLight rain55°feels 55°
AfternoonLight rain59°feels 58°
EveningLight rain57°feels 57°
OvernightLight rain56°feels 56°
60 °Light rain

Siam, Tuesday, 27 October

Light rain. High 60°, low 51°.

Pressure30.21 inHg
Wind12.9 mph NW
Humidity77%
Visibility—
Dew point51°
Wed, 2875° / 52°0.01Light rain
MorningLight rain59°feels 58°
AfternoonLight rain71°feels 71°
EveningLight rain68°feels 67°
OvernightLight rain59°feels 58°
75 °Light rain

Siam, Wednesday, 28 October

Light rain. High 75°, low 52°.

Pressure29.97 inHg
Wind17 mph SW
Humidity55%
Visibility—
Dew point52°
Thu, 2957° / 44°0Overcast
MorningOvercast50°feels 45°
AfternoonOvercast54°feels 51°
EveningOvercast47°feels 44°
OvernightOvercast45°feels 41°
57 °Overcast

Siam, Thursday, 29 October

Overcast. High 57°, low 44°.

Pressure30.27 inHg
Wind12.9 mph N
Humidity32%
Visibility—
Dew point25°
Fri, 3051° / 40°0.01Light rain
MorningLight rain43°feels 39°
AfternoonLight rain50°feels 47°
EveningLight rain50°feels 45°
OvernightLight rain49°feels 47°
51 °Light rain

Siam, Friday, 30 October

Light rain. High 51°, low 40°.

Pressure30.15 inHg
Wind14.5 mph SE
Humidity61%
Visibility—
Dew point36°

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.