Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

00:24

17:28

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

Sun - Rise: 07:05, Set: 19:35, Transit: 13:20. Moon - Rise: 00:24, Set: 17:28. Civil Dark: 20:06 - 06:34. Nautical Dark: 20:42 - 05:58. Astro Dark: 21:20 - 05:20

Total Clouds (% Sky Obscured)

64
74
81
26
45
83
88
87
96
23
82
19
96
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
74
81
26
35
79
83
64
17
14
15
18
53
50
41
25
28
40
13
5
5
9
10
10

Medium Clouds (% Sky Obscured)

34
39
39
26
35
13
10
10
11
7
8
0
0
0
28
76
100
85
63
96
100
100
39
32

High Clouds (% Sky Obscured)

0
0
0
0
3
25
56
67
86
5
55
2
87
93
99
100
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
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
36
43
23
15
14
7
3
3
2
1
1
1
2
2
3
1
3
2
4
2
3
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)

13
12
9
10
9
10
9
8
6
4
4
7
10
10
11
11
12
12
11
10
9
7
4
3

Chance of Frost

Temperature (°C)

18
17
17
16
15
15
14
13
13
12
12
13
15
15
16
17
17
17
17
17
16
15
13
13

Feels Like (°C)

16
16
15
14
15
14
11
11
11
11
14
12
14
12
13
13
13
14
14
14
13
12
12
11

Dew Point (°C)

15
14
13
12
11
11
10
9
9
10
10
9
9
8
8
7
7
7
8
9
8
8
7
8

Relative Humidity (%)

85
81
79
78
78
76
75
75
79
89
89
76
69
64
57
51
49
50
53
59
61
63
65
72

Pressure (mb)

1019
1020
1020
1021
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1023
1024
1023
1023
1023
1023
1024
1024
1025

Ozone (du)

275
276
279
281
283
285
286
287
290
293
294
296
297
296
295
295
295
295
294
294
293
292
289
284

Tuesday 16

Waning Crescent 20%

01:40

18:00

22 Bad
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 OK
16 OK
17 Bad
18 OK
19 OK
20 OK
21 OK

Sun - Rise: 07:06, Set: 19:33, Transit: 13:20. Moon - Rise: 01:40, Set: 18:00. Civil Dark: 20:03 - 06:36. Nautical Dark: 20:40 - 05:59. Astro Dark: 21:18 - 05:22

Total Clouds (% Sky Obscured)

94
100
100
100
100
98
92
93
89
96
92
97
96
94
94
88
86
42
35
70
38
22
34
42

Low Clouds (% Sky Obscured)

2
0
4
1
3
0
0
0
0
3
3
57
56
65
65
70
47
8
13
39
28
12
0
24

Medium Clouds (% Sky Obscured)

34
32
26
32
59
27
64
68
80
76
70
89
93
89
90
75
72
42
35
40
14
4
15
24

High Clouds (% Sky Obscured)

86
100
100
100
100
96
89
82
61
81
77
52
54
12
8
3
9
3
0
0
0
0
0
0

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
38
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
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)

3
3
2
1
1
1
1
1
2
2
1
1
1
2
2
2
3
4
4
4
3
3
2
2

Chance of Frost

Temperature (°C)

12
12
11
11
10
10
9
9
9
9
10
12
13
14
15
15
17
18
19
19
18
17
15
14

Feels Like (°C)

11
11
10
10
9
9
9
8
8
8
9
11
13
13
14
15
17
17
19
19
17
17
16
15

Dew Point (°C)

8
9
8
8
8
8
8
8
8
8
8
8
8
9
11
11
10
9
8
8
11
12
11
10

Relative Humidity (%)

77
80
83
85
87
87
90
91
91
90
87
77
70
69
75
73
63
56
50
49
63
72
74
76

Pressure (mb)

1025
1025
1025
1026
1026
1025
1025
1025
1025
1025
1026
1026
1026
1025
1025
1025
1025
1024
1024
1023
1023
1023
1024
1024

Ozone (du)

281
280
279
277
275
274
272
269
267
266
265
264
263
262
263
263
262
261
260
259
260
260
259
259

Wednesday 17

Waning Crescent 12%

02:58

18:23

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

Sun - Rise: 07:08, Set: 19:31, Transit: 13:19. Moon - Rise: 02:58, Set: 18:23. Civil Dark: 20:01 - 06:37. Nautical Dark: 20:38 - 06:01. Astro Dark: 21:15 - 05:23

Total Clouds (% Sky Obscured)

62
42
0
0
0
3
0
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

52
37
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

52
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
23
27
31
60
100
100
100
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
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
1
1
2
2
2
2
2
2
1
1
1
1
3
3
3
3
3
3
2
2
2
1

Chance of Frost

Temperature (°C)

13
13
12
11
11
10
9
9
8
8
8
11
16
19
21
22
23
24
24
24
23
20
18
17

Feels Like (°C)

13
12
12
13
12
12
11
10
9
10
10
14
18
21
23
25
25
26
27
27
26
23
21
19

Dew Point (°C)

9
8
8
8
8
7
7
7
6
6
6
7
9
10
10
11
11
11
12
13
16
14
14
13

Relative Humidity (%)

74
72
73
81
81
84
85
87
87
87
82
72
64
56
50
47
45
45
47
50
64
70
76
79

Pressure (mb)

1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1025
1025
1025
1025
1024
1024
1024
1023
1023
1024
1024
1025

Ozone (du)

260
263
263
262
262
262
263
265
264
263
261
259
258
256
255
254
253
252
253
253
252
252
252
253

Thursday 18

Waning Crescent 6%

04:14

18:42

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

Sun - Rise: 07:09, Set: 19:29, Transit: 13:19. Moon - Rise: 04:14, Set: 18:42. Civil Dark: 19:59 - 06:38. Nautical Dark: 20:36 - 06:02. Astro Dark: 21:13 - 05:25

Total Clouds (% Sky Obscured)

0
5
10
14
21
23
24
24
22
21
17
9
3
0
0
0
7
13
20
24
29
33
27
23

Low Clouds (% Sky Obscured)

0
5
10
14
16
18
19
19
16
16
12
5
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
2
2
2
2
0
0
0
7
13
20
24
29
33
22
21

High Clouds (% Sky Obscured)

0
0
0
0
3
3
3
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0

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
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
1
1
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)

1
2
2
2
2
2
2
2
2
2
1
1
2
2
2
2
2
1
1
1
2
2
2
2

Chance of Frost

Temperature (°C)

15
14
13
12
11
11
10
10
9
9
9
12
16
19
21
22
24
25
25
25
24
21
19
18

Feels Like (°C)

18
17
16
15
13
13
12
12
11
11
12
15
19
22
24
26
28
28
28
29
28
25
22
21

Dew Point (°C)

13
12
12
11
10
10
9
9
9
8
8
10
12
13
13
13
14
14
14
15
17
17
16
16

Relative Humidity (%)

85
87
89
92
91
93
93
93
95
95
93
86
77
68
60
55
52
50
49
53
67
75
81
86

Pressure (mb)

1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1023

Ozone (du)

253
252
251
251
250
249
250
249
249
250
251
252
252
253
253
253
254
254
255
256
257
257
256
256

Friday 19

Waning Crescent 2%

05:27

18:58

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

Sun - Rise: 07:10, Set: 19:27, Transit: 13:19. Moon - Rise: 05:27, Set: 18:58. Civil Dark: 19:57 - 06:40. Nautical Dark: 20:33 - 06:04. Astro Dark: 21:11 - 05:26

Total Clouds (% Sky Obscured)

14
25
31
38
83
27
80
83
38
42
81
21
19
26
33
67
51
33
14
12
10
8
23
38

Low Clouds (% Sky Obscured)

0
3
7
12
15
19
22
26
34
35
23
12
0
0
0
0
0
0
0
0
0
1
18
32

Medium Clouds (% Sky Obscured)

14
21
26
31
21
10
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
14
29

High Clouds (% Sky Obscured)

0
2
2
4
40
2
40
40
6
6
56
9
19
26
33
67
51
33
11
7
4
2
5
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
4

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
19
24
33
28

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

Chance of Frost

Temperature (°C)

17
15
14
13
13
12
12
12
12
12
12
15
18
20
23
25
26
26
27
27
25
23
21
20

Feels Like (°C)

20
19
18
17
16
13
16
13
12
15
15
16
21
24
26
28
29
29
29
29
30
30
31
22

Dew Point (°C)

15
14
13
12
12
11
11
11
11
11
11
12
13
13
14
14
15
15
16
16
16
17
17
17

Relative Humidity (%)

89
90
92
92
93
93
93
93
93
93
92
84
74
64
58
51
48
49
50
52
60
68
79
82

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1020
1020
1018
1018
1017
1016
1016
1016
1016
1017
1017

Ozone (du)

255
255
255
256
255
255
255
256
255
254
254
253
253
252
252
251
252
252
252
251
252
252
252
252

Saturday 20

Waning Crescent 0%

06:38

19:12

22 Bad
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

Sun - Rise: 07:12, Set: 19:25, Transit: 13:18. Moon - Rise: 06:38, Set: 19:12. Civil Dark: 19:55 - 06:41. Nautical Dark: 20:31 - 06:05. Astro Dark: 21:08 - 05:28

Total Clouds (% Sky Obscured)

53
48
44
43
51
59
69
72
75
78
73
65
60
55
55
60
60
65
65
77
90
100
100
100

Low Clouds (% Sky Obscured)

48
39
30
18
34
51
67
71
75
78
73
65
55
55
50
55
50
55
60
68
76
84
85
84

Medium Clouds (% Sky Obscured)

44
30
15
2
1
1
0
1
1
1
11
20
26
23
27
13
14
19
25
32
39
53
71
87

High Clouds (% Sky Obscured)

7
18
32
42
31
19
9
6
4
1
3
6
11
19
22
30
36
38
45
63
83
100
97
95

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
4
4
4
4
3
3
4

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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

22
15
7
0
0
0
0
0
1
2
13
20
18
49
70
72
78
88
94
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.5
0.7
0.7
0.7
0.8
1.2
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
17
16
15
14
13
13
13
13
13
15
17
18
18
18
18
18
18
18
18
17
16
16

Feels Like (°C)

21
20
20
20
19
16
16
15
16
14
15
16
17
19
20
21
22
18
17
17
16
16
15
16

Dew Point (°C)

17
16
16
15
14
13
12
12
12
12
12
14
15
17
17
17
18
18
18
18
17
17
16
15

Relative Humidity (%)

86
89
92
93
93
93
93
93
95
93
93
92
92
89
92
93
96
96
96
96
98
98
98
98

Pressure (mb)

1017
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016

Ozone (du)

253
253
254
254
255
256
257
258
258
258
258
259
259
260
260
260
260
260
260
261
261
262
263
264

Sunday 21

New Moon 0%

07:46

19:26

22 Bad
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

Sun - Rise: 07:13, Set: 19:23, Transit: 13:18. Moon - Rise: 07:46, Set: 19:26. Civil Dark: 19:53 - 06:43. Nautical Dark: 20:29 - 06:07. Astro Dark: 21:06 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94

Low Clouds (% Sky Obscured)

84
83
83
85
87
89
89
94
93
93
93
89
74
76
74
76
74
74
74
72
67
65

Medium Clouds (% Sky Obscured)

100
94
87
81
87
92
96
83
81
73
76
76
75
83
85
85
90
94
100
96
94
91

High Clouds (% Sky Obscured)

92
96
99
100
100
100
100
87
66
44
48
47
57
72
82
93
95
97
100
97
94
90

ISS Passover

Visibility (miles)

4
5
5
5
5
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
84
70
58
45
39
39
41
30
21
19
22
23
22
59
76
89

Precipitation Amount (mm)

0.8
1.1
1.1
1
0.9
0.7
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4

Wind Speed/Direction (mph)

1
1
1
2
3
2
2
2
2
1
1
1
1
2
2
3
3
3
2
3
3
2

Chance of Frost

Temperature (°C)

15
15
14
13
13
12
12
11
11
11
11
11
12
13
14
15
17
18
19
20
20
20

Feels Like (°C)

15
15
15
15
14
12
12
11
11
11
11
11
12
13
14
15
16
17
18
18
19
19

Dew Point (°C)

15
15
14
13
12
12
11
11
11
11
11
11
12
13
14
15
16
17
19
19
19
20

Relative Humidity (%)

98
100
98
98
96
96
96
96
96
98
98
98
95
95
95
95
95
95
96
95
96
98

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

264
265
264
264
264
266
268
271
271
271
272
272
272
272
272
272
271
271
271
271
271
271

Forecast for Stampfenbach, Zürich District, Switzerland (47.38,8.54)

Generated: 15/09/25 22:21:35. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+2.00