Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 34%

12:37

22:04

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:45, Set: 16:38, Transit: 12:11. Moon - Rise: 12:37, Set: 22:04. Civil Dark: 17:12 - 07:10. Nautical Dark: 17:51 - 06:32. Astro Dark: 18:27 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
100
100
100
100
100
100
100
100
96
100
100
99
99
97
97
98

Low Clouds (% Sky Obscured)

95
99
100
97
92
93
95
99
100
97
98
99
99
99
97
96
92
91
95
98
97
91
92
95

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
96
93
98
100
100
100
98
100
100
100
91
75
52
46
38
26
23
24

High Clouds (% Sky Obscured)

2
49
50
55
60
55
3
3
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

91
91
90
90
70
73
8
31
69
69
4
0
0
0
0
0
0
0
0
2
74
77
73
13

Precipitation Type

Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

86
76
95
95
95
94
92
80
74
77
84
86
82
80
80
80
68
59
49
60
53
50
40
35

Precipitation Amount (mm)

0.7
0.8
1.1
1.3
0.8
0.6
0.7
0.4
0.4
0.5
0.6
0.7
0.6
0.5
0.5
0.5
0.3
0.2
0.1
0.3
0.2
0.2
0.2
0.2

Wind Speed/Direction (mph)

4
4
5
3
3
3
4
5
5
4
5
4
4
4
4
4
3
3
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

1
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
0
-1
-1
-1
-2
-2
-2

Feels Like (°C)

-2
-3
-3
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-2
-4
-3
-3
-4
-4
-4

Dew Point (°C)

0
0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
0
-1
-1
-1
-2
-2
-2

Relative Humidity (%)

98
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100

Pressure (mb)

1010
1011
1011
1012
1013
1013
1014
1014
1015
1016
1017
1018
1018
1019
1019
1019
1019
1020
1021
1022
1022
1023
1023
1024

Ozone (du)

317
315
315
314
313
312
314
315
316
317
318
318
320
322
324
324
324
326
327
327
328
329
327
328

Wednesday 26

Waxing Crescent 44%

12:58

No Set

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:46, Set: 16:37, Transit: 12:12. Moon - Rise: 12:58, Set: No Set. Civil Dark: 17:12 - 07:11. Nautical Dark: 17:50 - 06:33. Astro Dark: 18:27 - 05:56

Total Clouds (% Sky Obscured)

98
92
90
85
82
78
78
87
100
100
99
88
82
91
98
97
98
97
87
77
67
68
70
60

Low Clouds (% Sky Obscured)

94
87
84
83
80
76
76
85
85
82
71
34
54
73
81
82
76
80
76
48
57
61
62
57

Medium Clouds (% Sky Obscured)

23
8
7
2
0
0
0
0
0
0
0
35
50
50
43
46
50
49
22
13
5
4
6
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
30
40
45
45
50
39
21
8
3
4
18
41
20
40
4
3

ISS Passover

Visibility (miles)

0
0
0
2
3
5
8
7
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

Fog (%)

16
14
14
77
69
61
77
8
7
38
20
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
11
19
10
9
18
6
5
3
1
1
2
13
2
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
2
2
3
2
3
4
4
3
2
3
2
2
3
3
3
4
4
4
4
4

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-3
-3
-4
-4
-4
-4
-2
-0
1
0
1
1
-0
-2
-2
-2
-2
-2
-3

Feels Like (°C)

-4
-4
-5
-5
-5
-5
-6
-7
-6
-7
-6
-5
-3
-2
-3
-3
-3
-3
-5
-5
-4
-5
-6
-5

Dew Point (°C)

-2
-2
-3
-2
-3
-3
-4
-5
-4
-4
-4
-3
-2
-1
-2
-1
-1
-2
-4
-3
-3
-3
-3
-4

Relative Humidity (%)

100
98
96
96
96
96
96
96
98
98
94
91
89
89
86
86
88
87
89
91
91
94
92
92

Pressure (mb)

1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1026
1026
1027
1027
1027
1027

Ozone (du)

328
326
322
318
316
313
315
315
312
307
305
306
305
304
306
306
306
306
305
304
304
305
307
306

Thursday 27

Waxing Crescent 55%

13:15

23:17

23 OK
00 Bad
01 Bad
02 OK
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
10 Good
11 Good
12 OK
13 OK
14 Good
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:47, Set: 16:37, Transit: 12:12. Moon - Rise: 13:15, Set: 23:17. Civil Dark: 17:11 - 07:13. Nautical Dark: 17:50 - 06:34. Astro Dark: 18:26 - 05:58

Total Clouds (% Sky Obscured)

23
47
59
24
4
3
3
3
3
15
11
3
11
32
27
17
38
54
77
100
100
89
95
100

Low Clouds (% Sky Obscured)

20
25
25
22
2
2
2
2
2
14
8
2
2
19
25
17
2
14
2
27
34
42
52
49

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
0
0
6
13
3
0
32
29
40
44
49
49
47
70

High Clouds (% Sky Obscured)

2
22
36
2
0
0
0
0
0
0
2
0
0
2
1
0
0
12
44
88
70
39
25
54

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
3
6
6
6
6
6
6
6
6
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
12
17
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
4
4
4
4
4
4
4
4
3
2
2
2
2
2
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

-3
-3
-2
-2
-2
-3
-3
-3
-3
-3
-3
-1
1
1
1
1
1
0
-1
-1
-1
-0
0
0

Feels Like (°C)

-5
-4
-5
-5
-4
-5
-5
-5
-5
-4
-3
-2
1
0
1
1
1
-0
-2
-3
-4
-3
-3
-3

Dew Point (°C)

-3
-4
-3
-3
-3
-4
-4
-4
-4
-4
-5
-3
-1
-2
-2
-1
-1
-1
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

94
92
92
92
92
94
92
92
92
92
87
86
86
84
84
83
88
92
94
96
94
92
91
89

Pressure (mb)

1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1023
1022
1022
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

303
299
296
295
296
295
295
295
295
295
295
294
293
293
292
290
289
288
286
285
284
284
281
278

Friday 28

First Quarter 66%

13:32

00:32

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:49, Set: 16:36, Transit: 12:12. Moon - Rise: 13:32, Set: 00:32. Civil Dark: 17:11 - 07:14. Nautical Dark: 17:49 - 06:35. Astro Dark: 18:26 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
98
98
92
91
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

49
47
50
53
55
54
58
58
57
55
54
53
49
48
43
42
38
42
50
33
30
30
29
21

Medium Clouds (% Sky Obscured)

98
98
99
99
100
99
95
97
81
84
76
57
55
78
79
60
40
63
82
100
99
100
100
100

High Clouds (% Sky Obscured)

80
100
100
100
100
85
70
55
55
55
46
45
50
51
60
80
100
100
100
100
100
100
100
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
30
38
46
55
56
52
44
40
32
21
24
22
17
16
11
7
3
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
4
4
4
4
4
4
4
3
3
3
2
3
3
3
3
4
4
5
5
5

Chance of Frost

Temperature (°C)

0
1
1
2
1
2
2
2
3
3
4
5
5
6
6
6
6
5
4
3
2
1
0
0

Feels Like (°C)

-3
-2
-2
-1
-2
-1
-1
-1
-0
1
2
3
3
3
4
4
4
3
1
0
-1
-2
-2
-3

Dew Point (°C)

-2
-1
-1
-0
-1
-1
-1
0
0
1
1
1
2
2
3
3
4
4
3
1
1
-0
-1
-1

Relative Humidity (%)

88
84
84
86
84
84
84
86
85
86
82
76
76
76
78
83
88
90
89
89
89
91
89
89

Pressure (mb)

1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1017
1017
1016
1016
1015
1014
1014
1013
1013
1013
1013
1013
1012
1012

Ozone (du)

276
273
274
278
278
277
276
276
275
275
276
277
277
277
276
276
277
276
278
280
282
284
286
288

Saturday 29

Waxing Gibbous 76%

13:49

01:49

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:50, Set: 16:36, Transit: 12:13. Moon - Rise: 13:49, Set: 01:49. Civil Dark: 17:10 - 07:15. Nautical Dark: 17:49 - 06:37. Astro Dark: 18:26 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
97
96
97
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

12
2
17
36
54
80
70
64
69
62
72
92
96
100
95
92
88
87
85
84
84
84
85
81

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
91
89
94
97
100
100
100
100
99
98
97
98
99
100
100

High Clouds (% Sky Obscured)

51
32
60
82
100
100
100
100
80
60
45
62
74
88
90
95
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
2
2
2
2
2
2
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
2
5
1
14
21
5
2
2
0
2
4
1
10
20
26
26
21
20
23
24
25
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
5
5
5
4
4
4
3
3
4
4
4
5
4
4
4
4
3
4
4
4
4

Chance of Frost

Temperature (°C)

0
0
1
-1
-1
-0
-1
-1
-1
-1
1
1
2
2
3
3
3
3
2
2
2
1
1
1

Feels Like (°C)

-3
-2
-3
-4
-4
-3
-4
-4
-4
-3
-2
-2
-1
0
1
1
1
1
1
1
1
-1
-1
-1

Dew Point (°C)

-2
-1
-2
-3
-3
-3
-3
-3
-2
-2
-1
-1
1
1
2
3
2
3
2
1
1
1
1
1

Relative Humidity (%)

89
89
86
86
84
84
86
87
89
89
89
89
91
91
94
94
96
98
98
96
96
98
98
96

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1014
1014
1015
1015

Ozone (du)

289
290
291
292
293
293
294
296
299
301
303
303
305
306
308
310
312
314
315
316
317
322
327
332

Sunday 30

Waxing Gibbous 86%

14:07

03:08

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 OK

Sun - Rise: 07:51, Set: 16:35, Transit: 12:13. Moon - Rise: 14:07, Set: 03:08. Civil Dark: 17:10 - 07:16. Nautical Dark: 17:49 - 06:38. Astro Dark: 18:26 - 06:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
98
97
97
97
96
80
71
63
54
46
38
36
34
33
37

Low Clouds (% Sky Obscured)

77
73
71
70
67
71
79
80
84
88
93
86
78
71
62
60
55
49
43
38
36
33
31
26

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
95
93
93
93
94
67
41
15
10
5
0
0
0
0
9

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
70
41
14
12
5
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
5
7
5
2
0
0
0
0
0
0
0
0
0
0
3
5
8
8
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
Light Rain
Snow
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
43
47
56
61
69
75
76
76
71
67
65
55
42
39
27
7
11
8
2
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0.4
0.4
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
5
5
5
5

Chance of Frost

Temperature (°C)

1
1
0
0
0
0
0
-0
1
0
1
1
1
2
3
2
2
2
2
0
-0
-1
-2
-2

Feels Like (°C)

-2
-2
-3
-2
-2
-2
-2
-2
-1
-2
-2
-2
-2
-1
-1
0
0
0
0
0
1
-2
-2
-2

Dew Point (°C)

0
0
-0
0
0
0
0
-0
1
0
1
1
1
2
3
2
2
1
1
-0
-1
-1
-2
-3

Relative Humidity (%)

96
96
96
98
100
100
100
100
100
100
100
100
100
100
100
100
98
96
96
96
96
96
96
96

Pressure (mb)

1015
1015
1016
1016
1016
1016
1017
1017
1017
1018
1018
1019
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

332
333
333
333
334
334
335
335
336
338
339
340
340
339
339
333
327
320
317
315
312
310
308
307

Monday 1

Waxing Gibbous 93%

14:30

04:32

23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:52, Set: 16:35, Transit: 12:13. Moon - Rise: 14:30, Set: 04:32. Civil Dark: 17:10 - 07:17. Nautical Dark: 17:48 - 06:39. Astro Dark: 18:25 - 06:02

Total Clouds (% Sky Obscured)

43
49
51
55
55
54
56
59
71
79
87
91
96
100
99
99
98
99
99
100

Low Clouds (% Sky Obscured)

25
22
26
29
29
25
21
20
20
22
34
42
51
57
54
45
40
39
41
40

Medium Clouds (% Sky Obscured)

19
34
48
55
55
54
56
46
41
36
35
44
57
68
78
88
98
99
99
100

High Clouds (% Sky Obscured)

0
1
1
2
4
14
23
32
41
48
39
38
37
35
33
28
26
33
41
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
Snow
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
15
23
32
36
34
31
37
47
61
62
61
62
51
45
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0
0
0
0.2
0.4
0.4
0.3
0.4
0.2
0
0.3

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
5
5
5
4
4
4
4
5
5
5
6
6
6

Chance of Frost

Temperature (°C)

-2
-3
-3
-3
-3
-3
-2
-2
-2
-2
0
1
2
3
4
4
5
5
5
4

Feels Like (°C)

-2
-2
-3
-4
-4
-4
-3
-3
-3
-4
-3
-3
-3
-3
-3
2
3
3
4
3

Dew Point (°C)

-3
-3
-4
-4
-4
-3
-3
-3
-3
-3
-2
-1
-1
0
0
2
3
3
3
3

Relative Humidity (%)

96
96
96
96
94
94
92
94
92
89
86
84
81
82
79
83
86
89
89
89

Pressure (mb)

1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

305
303
301
299
296
294
290
287
283
280
276
273
272
271
269
269
268
268
267
266

Forecast for Lettenboden, Bezirk Pfäffikon, Switzerland (47.38,8.92)

Generated: 25/11/25 23:23:52. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+1.00