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As of 16:43 CDT

Weather in Siam, IA

78°Current weather

Siam, Thursday, 22 October, 16:43

Clear. Feels like 77°. High 78°, low 51°.

Pressure30.15 inHg
Wind9.2 mph S
Humidity36%
Visibility6.2 mi
Dew point49°

10-day forecast for Siam, IA: 39° to 78°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

78°
Best day: Thursday, October 22
59° · 0.49 in
Worst day: Thursday, October 29

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

Fri, 2378° / 54°0Overcast
MorningPartly cloudy57°feels 56°
AfternoonOvercast77°feels 76°
EveningPartly cloudy66°feels 64°
OvernightOvercast57°feels 56°
78 °Overcast

Siam, Friday, 23 October

Overcast. High 78°, low 54°.

Pressure30.15 inHg
Wind12.4 mph S
Humidity53%
Visibility6.2 mi
Dew point53°
Sat, 2475° / 58°0Partly cloudy
MorningOvercast58°feels 57°
AfternoonOvercast74°feels 73°
EveningOvercast66°feels 65°
OvernightOvercast62°feels 61°
75 °Partly cloudy

Siam, Saturday, 24 October

Partly cloudy. High 75°, low 58°.

Pressure30.21 inHg
Wind10.4 mph S
Humidity51%
Visibility6.2 mi
Dew point51°
Sun, 2575° / 55°0Clear
MorningMostly clear55°feels 55°
AfternoonClear74°feels 74°
EveningOvercast64°feels 64°
OvernightOvercast60°feels 59°
75 °Clear

Siam, Sunday, 25 October

Clear. High 75°, low 55°.

Pressure30.33 inHg
Wind4.1 mph S
Humidity60%
Visibility6.2 mi
Dew point56°
Mon, 2674° / 58°0Overcast
MorningOvercast60°feels 59°
AfternoonOvercast73°feels 72°
EveningOvercast67°feels 65°
OvernightOvercast60°feels 59°
74 °Overcast

Siam, Monday, 26 October

Overcast. High 74°, low 58°.

Pressure30.30 inHg
Wind7.9 mph SE
Humidity57%
Visibility6.2 mi
Dew point54°
Tue, 2771° / 56°0Mostly clear
MorningMostly clear61°feels 60°
AfternoonMostly clear68°feels 67°
EveningMostly clear64°feels 62°
OvernightMostly clear60°feels 58°
71 °Mostly clear

Siam, Tuesday, 27 October

Mostly clear. High 71°, low 56°.

Pressure30.18 inHg
Wind11.7 mph S
Humidity49%
Visibility—
Dew point47°
Wed, 2865° / 51°0Clear
MorningClear55°feels 53°
AfternoonClear62°feels 60°
EveningClear56°feels 55°
OvernightClear55°feels 54°
65 °Clear

Siam, Wednesday, 28 October

Clear. High 65°, low 51°.

Pressure30.09 inHg
Wind11.1 mph S
Humidity52%
Visibility—
Dew point43°
Thu, 2959° / 51°0.49Rain
MorningRain56°feels 56°
AfternoonRain56°feels 55°
EveningRain52°feels 51°
OvernightRain52°feels 52°
59 °Rain

Siam, Thursday, 29 October

Rain. High 59°, low 51°.

Pressure30.09 inHg
Wind12.4 mph NE
Humidity96%
Visibility—
Dew point55°
Fri, 3052° / 42°0.13Light rain
MorningLight rain46°feels 41°
AfternoonLight rain48°feels 43°
EveningLight rain43°feels 39°
OvernightLight rain42°feels 38°
52 °Light rain

Siam, Friday, 30 October

Light rain. High 52°, low 42°.

Pressure30.15 inHg
Wind13.6 mph N
Humidity67%
Visibility—
Dew point38°
Sat, 3151° / 39°0Overcast
MorningOvercast42°feels 38°
AfternoonOvercast47°feels 44°
EveningOvercast46°feels 43°
OvernightOvercast45°feels 43°
51 °Overcast

Siam, Saturday, 31 October

Overcast. High 51°, low 39°.

Pressure30.15 inHg
Wind7.5 mph E
Humidity54%
Visibility—
Dew point30°

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.