Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 30%

01:38

17:26

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:05, Set: 19:33, Transit: 13:18. Moon - Rise: 01:38, Set: 17:26. Civil Dark: 20:04 - 06:34. Nautical Dark: 20:40 - 05:58. Astro Dark: 21:18 - 05:20

Total Clouds (% Sky Obscured)

85
77
85
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
82
88
86
99
92

Low Clouds (% Sky Obscured)

43
65
62
70
59
51
59
47
38
22
14
28
19
6
3
0
0
0
0
0
4
0
1
0

Medium Clouds (% Sky Obscured)

0
0
0
24
100
100
100
96
86
63
100
74
55
35
27
30
26
28
25
23
61
75
77
71

High Clouds (% Sky Obscured)

0
77
85
100
100
100
100
100
100
100
100
100
99
100
100
100
100
99
83
76
67
65
69
71

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
13
3
5
15
5
5
5
2
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)

13
11
10
10
11
11
10
9
9
9
8
7
7
7
7
6
6
6
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

11
11
11
11
12
12
12
13
12
12
11
11
11
10
10
9
8
8
8
8
7
8
8
9

Feels Like (°C)

12
10
8
8
9
9
9
10
10
10
9
9
9
8
8
7
7
6
6
6
6
6
6
7

Dew Point (°C)

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

Relative Humidity (%)

86
76
71
64
61
57
62
64
65
69
72
74
78
80
80
81
81
79
81
82
82
82
81
81

Pressure (mb)

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

Ozone (du)

296
296
294
295
294
292
293
292
291
290
288
287
285
284
282
280
279
276
273
272
270
268
267
265

Wednesday 17

Waning Crescent 20%

02:56

17:58

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

Sun - Rise: 07:06, Set: 19:31, Transit: 13:18. Moon - Rise: 02:56, Set: 17:58. Civil Dark: 20:02 - 06:36. Nautical Dark: 20:38 - 05:59. Astro Dark: 21:16 - 05:22

Total Clouds (% Sky Obscured)

91
90
92
94
94
94
90
72
68
69
50
44
35
1
2
1
1
2
0
0
0
1
2
5

Low Clouds (% Sky Obscured)

0
6
22
45
45
45
45
47
40
26
30
44
32
1
0
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

68
86
92
94
94
94
89
72
68
68
50
44
33
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

63
14
30
68
49
4
3
0
3
0
0
0
0
0
2
0
0
2
0
0
0
1
2
4

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
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)

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

Chance of Frost

Temperature (°C)

10
12
13
13
14
14
14
15
16
16
15
13
11
11
11
10
11
11
11
10
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

6
6
6
7
10
11
10
10
12
12
11
9
6
5
7
6
6
6
5
5
5
5
5
6

Relative Humidity (%)

73
66
62
65
75
79
78
72
77
78
78
72
71
69
76
74
72
71
69
71
71
71
72
73

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026

Ozone (du)

264
263
262
262
262
261
261
259
258
257
258
258
257
257
258
259
259
259
260
261
261
262
262
262

Thursday 18

Waning Crescent 12%

04:12

18:22

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

Sun - Rise: 07:07, Set: 19:29, Transit: 13:18. Moon - Rise: 04:12, Set: 18:22. Civil Dark: 20:00 - 06:37. Nautical Dark: 20:36 - 06:01. Astro Dark: 21:14 - 05:23

Total Clouds (% Sky Obscured)

2
0
0
0
8
0
0
6
6
8
3
44
0
0
44
32
23
0
0
0
0
0
10
10

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

2
0
0
0
8
0
0
6
5
6
2
29
0
0
25
20
18
0
0
0
0
0
9
9

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
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
5
6
7
7
7
7
6
4
3
3
4
5
5
4
4
4
4
3
4
3
3
3

Chance of Frost

Temperature (°C)

14
19
21
21
22
23
23
22
21
20
18
17
15
13
13
12
12
11
11
11
11
11
11
11

Feels Like (°C)

16
21
23
23
24
25
25
25
24
24
21
19
15
16
15
12
12
12
13
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

67
63
59
55
53
52
52
54
58
72
78
83
84
87
87
89
90
88
91
92
91
91
93
92

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

262
262
261
260
259
258
257
256
255
254
253
253
254
253
253
253
253
254
254
253
253
252
252
251

Friday 19

Waning Crescent 6%

05:26

18:40

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 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 OK
04 OK
05 Good
06 Good
07 OK
08 OK

Sun - Rise: 07:09, Set: 19:27, Transit: 13:17. Moon - Rise: 05:26, Set: 18:40. Civil Dark: 19:58 - 06:38. Nautical Dark: 20:34 - 06:02. Astro Dark: 21:11 - 05:25

Total Clouds (% Sky Obscured)

5
4
6
7
9
11
11
11
9
7
4
7
11
15
13
12
42
40
38
9
9
4
19
44

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

5
3
4
5
5
6
7
8
6
5
4
7
10
14
12
12
37
31
28
3
4
1
9
31

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
1
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
3
3
3
4
4
4
4
3
3
4
5
5
5
5
5
5
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

14
17
19
20
21
23
23
23
23
21
19
16
15
14
13
14
14
14
15
14
13
14
14
14

Feels Like (°C)

16
20
22
23
25
26
27
27
27
26
23
20
18
17
16
17
17
14
15
14
15
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

87
81
73
69
65
62
60
60
64
77
84
87
90
90
90
90
90
89
90
89
86
84
84
83

Pressure (mb)

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

Ozone (du)

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

Saturday 20

Waning Crescent 2%

06:36

18:56

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

Sun - Rise: 07:10, Set: 19:25, Transit: 13:17. Moon - Rise: 06:36, Set: 18:56. Civil Dark: 19:56 - 06:40. Nautical Dark: 20:32 - 06:04. Astro Dark: 21:09 - 05:26

Total Clouds (% Sky Obscured)

7
59
54
56
60
60
50
60
55
40
55
24
18
8
19
31
43
35
31
39
42
45
45
32

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
25
36
25
19
14
15
20
26
22

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
2
1
0
0
1
1
1
0
0
0
1
1
1

High Clouds (% Sky Obscured)

6
46
41
42
40
40
30
45
50
35
55
8
9
8
13
19
23
22
16
1
1
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
1
10
14
17
16
10
0
0
0
0
0
0
0
1

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
1
2
2
3
4
3
3
3
3
4
6
6
7
8
7
6
5
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

16
20
22
23
23
24
24
24
24
22
20
18
17
17
16
16
14
14
13
13
13
12
13
13

Feels Like (°C)

17
22
23
24
25
26
25
25
26
24
21
19
18
18
18
17
15
14
14
15
15
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

75
69
66
61
58
56
56
56
65
74
80
81
82
85
85
78
73
65
74
82
92
92
92
92

Pressure (mb)

1021
1021
1020
1020
1019
1018
1017
1017
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016

Ozone (du)

249
248
247
246
246
246
246
247
247
248
249
249
249
249
249
249
249
249
249
250
250
251
251
252

Sunday 21

New Moon 0%

07:45

19:11

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

Sun - Rise: 07:11, Set: 19:23, Transit: 13:17. Moon - Rise: 07:45, Set: 19:11. Civil Dark: 19:54 - 06:41. Nautical Dark: 20:30 - 06:05. Astro Dark: 21:07 - 05:28

Total Clouds (% Sky Obscured)

20
8
15
22
35
35
40
50
67
80
92
94
96
100
100
100
100
100
100
100
95
89
84
89

Low Clouds (% Sky Obscured)

15
6
13
22
26
28
36
46
55
68
75
77
79
81
72
63
55
58
56
60
73
76
79
77

Medium Clouds (% Sky Obscured)

2
1
5
10
19
35
39
45
67
80
90
73
55
32
44
58
76
84
92
100
82
71
60
59

High Clouds (% Sky Obscured)

0
0
9
18
27
27
31
40
31
28
30
52
74
95
97
98
100
99
99
99
95
89
84
89

ISS Passover

Visibility (miles)

9
9
9
8
6
5
4
2
1
2
3
3
4
4
4
4
4
4
6
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

3
1
20
33
42
58
82
95
95
95
95
95
95
95
95
95
95
95
95
92
77
63
47
44

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.5
0.9
1
0.8
1
0.9
0.8
0.9
1.5
1.2
0.7
1
1
0.6
0.4
0.3
0
0

Wind Speed/Direction (mph)

2
1
2
3
3
4
4
6
7
6
5
5
3
2
3
3
3
3
3
3
4
3
3
3

Chance of Frost

Temperature (°C)

15
17
19
20
20
21
19
19
19
17
16
15
15
14
14
13
13
13
12
13
12
13
12
12

Feels Like (°C)

15
17
18
21
22
24
21
22
21
21
20
20
13
13
13
13
13
12
12
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

84
78
72
78
85
91
93
96
96
98
96
96
98
98
98
98
98
98
96
98
98
96
96
96

Pressure (mb)

1016
1015
1015
1014
1014
1014
1014
1014
1014
1015
1016
1016
1017
1017
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

252
253
253
254
255
255
255
255
255
256
258
259
260
261
263
263
263
263
263
264
265
265
266
266

Monday 22

Waxing Crescent 0%

08:53

19:25

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
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:13, Set: 19:21, Transit: 13:16. Moon - Rise: 08:53, Set: 19:25. Civil Dark: 19:52 - 06:42. Nautical Dark: 20:28 - 06:06. Astro Dark: 21:05 - 05:29

Total Clouds (% Sky Obscured)

95
100
100
100
100
100
100
100
100
100
100
100
100
100
96
92
87

Low Clouds (% Sky Obscured)

74
72
70
68
61
56
50
49
50
52
58
55
61
63
67
71
75

Medium Clouds (% Sky Obscured)

68
70
63
55
47
54
63
74
64
53
44
67
90
100
96
92
87

High Clouds (% Sky Obscured)

95
100
100
100
100
100
100
100
77
53
26
45
64
84
85
85
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5

Fog (%)

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
Very Light Rain
None

Precipitation Probability (%)

42
37
33
26
11
17
18
14
30
37
45
58
59
39
63
68
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
16
15
16
17
17
17
17
17
17
15
15
15
14
14

Feels Like (°C)

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

Dew Point (°C)

13
13
14
15
14
15
15
16
16
16
16
16
15
14
14
14
14

Relative Humidity (%)

95
95
93
93
93
92
90
90
89
90
93
96
95
95
96
96
98

Pressure (mb)

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

Ozone (du)

267
267
268
268
269
269
270
271
273
272
271
271
271
271
272
272
272

Forecast for Gfell, Bezirk Pfäffikon, Switzerland (47.38,8.93)

Generated: 16/09/25 09:18:15. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+2.00