Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 86%

19:08

11:31

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:01, Set: 16:35, Transit: 12:18. Moon - Rise: 19:08, Set: 11:31. Civil Dark: 17:10 - 07:25. Nautical Dark: 17:49 - 06:46. Astro Dark: 18:26 - 06:09

Total Clouds (% Sky Obscured)

87
90
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
98
100
100
100

Low Clouds (% Sky Obscured)

87
90
92
99
97
97
97
95
95
84
99
100
95
93
94
99
97
97
95
96
89
26
20
15

Medium Clouds (% Sky Obscured)

87
90
92
100
100
96
99
92
92
86
85
100
100
57
45
100
52
43
35
24
31
34
23
24

High Clouds (% Sky Obscured)

87
90
92
100
100
100
100
100
97
94
42
45
100
84
4
4
45
18
45
43
49
100
100
100

ISS Passover

Visibility (miles)

9
4
5
6
4
5
4
6
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
75
53
46
20
13
21
37
47
61
64
44
21
8
0
0
0

Precipitation Amount (mm)

1.1
0.9
1
1.2
1.4
1.4
1
0.8
0.3
0
0
0
0
0
0
0
0.4
0.5
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
3
4
3
5
8
11
14
12
10
9
9
7
8
8
7
6
4
4
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
7
7
6
6
6
7
8
8
8
8
8
8
9
9
9
8
8
8
8
8
8
8
8

Relative Humidity (%)

87
91
93
94
96
93
91
90
87
83
81
85
84
88
87
85
84
84
88
90
90
85
80
77

Pressure (mb)

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

Ozone (du)

277
276
278
278
276
279
281
283
287
289
285
282
285
290
296
297
294
294
296
297
299
303
305
302

Monday 8

Waning Gibbous 77%

20:31

11:57

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 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 Bad

Sun - Rise: 08:01, Set: 16:35, Transit: 12:18. Moon - Rise: 20:31, Set: 11:57. Civil Dark: 17:10 - 07:26. Nautical Dark: 17:49 - 06:47. Astro Dark: 18:26 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
100
100
89
96
75
100
87
93
88
86
60
35
34
35
35
35
39
100

Low Clouds (% Sky Obscured)

16
19
17
18
23
21
16
14
15
15
3
15
16
23
23
21
35
35
34
35
35
35
39
40

Medium Clouds (% Sky Obscured)

26
26
21
26
46
22
34
28
25
18
6
35
23
2
2
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
99
88
100
100
100
85
89
65
100
70
80
56
72
25
5
6
23
24
14
20
55

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
1
0
0
0
0
0
0
13
63
88
68
100
100
100
56
18
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
1
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
2
2
2
2
2
2
3
2
3
2
1
3
2
1
1
1
1
2
1
1
1
1
1

Chance of Frost

Temperature (°C)

12
13
12
11
10
10
9
8
8
7
7
6
6
5
5
4
5
4
3
3
3
4
5
6

Feels Like (°C)

11
12
12
10
9
8
8
7
6
6
5
5
4
4
3
3
3
3
3
3
4
4
6
7

Dew Point (°C)

8
9
9
9
9
8
7
7
7
6
6
5
5
4
3
3
3
2
2
1
1
1
1
1

Relative Humidity (%)

76
79
81
86
88
88
90
91
91
93
93
91
93
91
89
89
89
89
89
89
88
82
73
70

Pressure (mb)

1020
1020
1021
1021
1021
1021
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1023
1023
1023
1022
1022

Ozone (du)

300
299
299
299
299
300
301
304
310
315
317
318
315
315
313
315
314
312
311
313
314
315
314
311

Tuesday 9

Waning Gibbous 67%

21:51

12:17

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

Sun - Rise: 08:02, Set: 16:35, Transit: 12:18. Moon - Rise: 21:51, Set: 12:17. Civil Dark: 17:10 - 07:27. Nautical Dark: 17:49 - 06:48. Astro Dark: 18:26 - 06:11

Total Clouds (% Sky Obscured)

43
47
47
43
47
82
75
43
42
42
35
35
35
35
35
35
35
30
35
35
40
40
40
40

Low Clouds (% Sky Obscured)

43
40
40
40
40
40
40
40
40
40
35
35
35
35
35
35
35
30
35
35
40
40
40
40

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)

34
14
11
7
10
38
30
5
4
6
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
1
34
100
99
92
84
83
82
82
82
82
82
82
82
82
82
82
82
82

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
74
78
79
80
80
83
85
86
88
88
89
88
88
88
86
84
84
83
80
73
64
61

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1023
1024
1024
1024
1024

Ozone (du)

309
308
306
305
306
307
308
309
311
309
307
306
306
305
302
299
298
298
297
298
298
299
301
301

Wednesday 10

Waning Gibbous 57%

23:06

12:33

13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 Bad
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 OK
12 OK

Sun - Rise: 08:03, Set: 16:34, Transit: 12:19. Moon - Rise: 23:06, Set: 12:33. Civil Dark: 17:10 - 07:28. Nautical Dark: 17:49 - 06:49. Astro Dark: 18:26 - 06:11

Total Clouds (% Sky Obscured)

42
39
57
60
50
42
45
45
50
53
98
100
100
100
98
84
68
89
56
58
53
52
48
45

Low Clouds (% Sky Obscured)

37
35
54
57
46
37
40
35
35
40
40
40
45
40
40
40
40
40
40
40
40
38
36
38

Medium Clouds (% Sky Obscured)

0
0
0
9
18
25
27
27
26
27
30
34
47
18
10
25
37
46
32
32
24
24
22
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
9
53
51
48
50
39
24
12
26
2
0
0
0
2
2

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 (%)

82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
7
6
5
5
5
4
4
4
3
2
2
1
1
1
1
2
0
2
2
3
5
6

Dew Point (°C)

-2
-1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1

Relative Humidity (%)

60
61
68
72
76
78
80
83
85
86
88
89
91
91
91
91
93
93
94
94
93
88
80
75

Pressure (mb)

1024
1023
1023
1024
1024
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

301
301
300
299
298
299
298
300
300
300
299
297
296
296
295
294
293
292
294
293
291
292
292
292

Thursday 11

Third Quarter 47%

00:17

12:48

13 OK
14 OK
15 Bad
16 OK
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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:04, Set: 16:35, Transit: 12:19. Moon - Rise: 00:17, Set: 12:48. Civil Dark: 17:10 - 07:29. Nautical Dark: 17:49 - 06:50. Astro Dark: 18:26 - 06:12

Total Clouds (% Sky Obscured)

37
33
61
35
39
45
45
45
47
47
46
51
55
54
54
53
48
47
48
49
50
60
70
82

Low Clouds (% Sky Obscured)

35
32
29
34
39
45
45
45
45
45
45
45
50
50
50
53
48
45
40
45
45
45
45
40

Medium Clouds (% Sky Obscured)

12
6
0
4
7
8
12
14
15
10
6
3
2
1
0
0
0
4
5
0
0
0
5
5

High Clouds (% Sky Obscured)

1
3
25
3
3
2
7
11
18
14
9
5
11
21
33
53
48
47
48
49
50
60
70
82

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 (%)

82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
78
86
89
91
89
91
91
94
94
93
93
93
93
94
94
93
93
89
86
83
77
71

Pressure (mb)

1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1023
1023
1023
1023
1022

Ozone (du)

292
292
291
290
289
290
290
291
292
291
293
293
292
292
293
293
293
294
294
295
295
295
295
295

Friday 12

Waning Crescent 37%

01:26

13:02

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
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
09 OK
10 OK
11 OK
12 Bad

Sun - Rise: 08:05, Set: 16:35, Transit: 12:20. Moon - Rise: 01:26, Set: 13:02. Civil Dark: 17:10 - 07:29. Nautical Dark: 17:49 - 06:50. Astro Dark: 18:27 - 06:13

Total Clouds (% Sky Obscured)

86
91
95
78
58
40
48
60
68
80
90
100
89
76
64
76
87
100
77
54
36
40
45
49

Low Clouds (% Sky Obscured)

38
37
35
29
23
21
20
26
27
33
43
45
50
45
40
40
40
40
35
35
35
35
35
30

Medium Clouds (% Sky Obscured)

3
2
0
0
0
0
0
1
1
8
16
10
7
5
0
2
3
3
18
31
36
40
43
45

High Clouds (% Sky Obscured)

86
91
95
78
58
40
48
60
68
80
90
100
72
44
18
35
54
74
57
47
36
32
19
5

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 (%)

82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
69
75
79
80
80
82
82
82
80
81
80
78
80
81
83
84
84
84
82
79
76
71
66

Pressure (mb)

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

Ozone (du)

296
294
293
292
292
292
293
293
294
295
295
295
295
296
296
297
297
297
297
298
298
298
297
296

Saturday 13

Waning Crescent 27%

02:33

13:02

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:06, Set: 16:35, Transit: 12:20. Moon - Rise: 02:33, Set: 13:02. Civil Dark: 17:10 - 07:30. Nautical Dark: 17:49 - 06:51. Astro Dark: 18:27 - 06:14

Total Clouds (% Sky Obscured)

55
60
68
61
60
59
58
51
48
56
64
74
85
91
100
100
100
100

Low Clouds (% Sky Obscured)

25
20
20
10
10
10
10
15
35
35
41
41
47
48
49
58
70
78

Medium Clouds (% Sky Obscured)

27
12
0
0
0
0
0
0
0
0
1
1
14
25
36
34
35
32

High Clouds (% Sky Obscured)

11
16
24
21
24
23
15
9
2
8
13
19
29
45
65
70
65
60

ISS Passover

Visibility (miles)

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

Fog (%)

82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
7
7
7
7
7
6
3
3
3
3
3
3
2
2
2
2
1

Dew Point (°C)

0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0

Relative Humidity (%)

63
65
69
71
73
77
80
82
83
85
85
86
86
86
86
85
83
83

Pressure (mb)

1027
1027
1027
1027
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

295
294
293
291
291
291
291
294
296
298
298
299
299
298
298
298
298
299

Forecast for Rümlang, Dielsdorf, Switzerland (47.45,8.53)

Generated: 07/12/25 12:36:31. Forecast: 07/12/25 to 13/12/25. Timezone: UTC+1.00