Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 19%

03:47

13:47

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 Bad
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:11, Set: 16:50, Transit: 12:30. Moon - Rise: 03:47, Set: 13:47. Civil Dark: 17:24 - 07:37. Nautical Dark: 18:02 - 06:58. Astro Dark: 18:39 - 06:22

Total Clouds (% Sky Obscured)

74
61
50
78
96
69
74
70
93
66
63
20
83
48
62
100
92
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

14
15
14
12
14
13
12
12
4
0
0
2
14
6
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
69
83
47
26
62
72
54
53
7
2
3
5
100
84
99
100
100
100
100
66
100

High Clouds (% Sky Obscured)

0
0
0
9
1
1
0
20
46
10
3
3
44
28
51
100
74
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 (%)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
2
2
2
3
5
6
8
8
8
8
6
6
6
6
6
6
5
5

Feels Like (°C)

2
2
1
1
-0
-1
-0
-1
0
0
3
5
8
6
7
6
4
4
4
4
4
4
4
3

Dew Point (°C)

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

Relative Humidity (%)

74
72
70
70
68
69
70
69
69
68
66
61
60
60
61
68
72
74
75
75
75
74
75
75

Pressure (mb)

1025
1025
1025
1024
1024
1024
1023
1023
1023
1022
1022
1021
1021
1020
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

297
295
290
291
294
301
303
305
309
311
310
312
311
310
311
312
315
319
323
328
331
330
335
334

Tuesday 16

Waning Crescent 12%

04:54

14:08

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
23 Bad

Sun - Rise: 08:12, Set: 16:50, Transit: 12:31. Moon - Rise: 04:54, Set: 14:08. Civil Dark: 17:24 - 07:37. Nautical Dark: 18:03 - 06:59. Astro Dark: 18:39 - 06:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
76
100
100
100
100
100
100
100
100
100
100
100
100
95
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
1
0
0
1
27
34
35
21
4
26
4
31
32
41
27

Medium Clouds (% Sky Obscured)

100
51
54
100
100
100
100
100
100
74
100
100
99
100
100
100
100
100
99
85
88
93
88
98

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
66
100
58
100
100
95
100
100
100
100
100
92
100
100
96
36
68

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
1
1
1
3
3
2
4
6
8
5
8
20
11
10
10
14
26
31
28
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
76
77
77
76
77
78
78
79
79
74
75
68
71
70
74
76
76
78
79
82
82
83

Pressure (mb)

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

Ozone (du)

334
334
331
330
327
326
322
321
320
319
317
316
316
317
313
314
315
314
314
312
312
313
315
312

Wednesday 17

Waning Crescent 7%

06:01

14:35

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 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 08:13, Set: 16:50, Transit: 12:31. Moon - Rise: 06:01, Set: 14:35. Civil Dark: 17:25 - 07:38. Nautical Dark: 18:03 - 07:00. Astro Dark: 18:40 - 06:23

Total Clouds (% Sky Obscured)

95
91
89
51
60
92
79
78
81
65
71
72
75
59
50
46
39
29
21
17
11
3
7
13

Low Clouds (% Sky Obscured)

32
36
7
2
2
31
19
31
42
39
52
50
52
38
31
28
23
12
2
2
2
2
6
11

Medium Clouds (% Sky Obscured)

94
89
64
49
47
58
43
50
51
30
28
27
23
19
19
16
17
19
15
11
6
0
0
0

High Clouds (% Sky Obscured)

9
2
30
3
5
14
9
2
1
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
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 (%)

8
8
1
1
0
0
0
0
0
0
0
0
1
0
0
1
0
2
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
1
1
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
85
85
85
83
83
83
81
77
73
73
73
73
76
80
84
84
84
85
85
86
86

Pressure (mb)

1020
1020
1020
1021
1021
1021
1022
1022
1023
1023
1024
1024
1024
1023
1023
1023
1024
1024
1024
1025
1025
1026
1026
1026

Ozone (du)

307
303
300
303
305
311
313
312
314
318
323
323
325
324
324
323
321
321
321
322
329
331
329
324

Thursday 18

Waning Crescent 3%

07:07

15:09

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

Sun - Rise: 08:13, Set: 16:51, Transit: 12:32. Moon - Rise: 07:07, Set: 15:09. Civil Dark: 17:25 - 07:39. Nautical Dark: 18:03 - 07:00. Astro Dark: 18:40 - 06:24

Total Clouds (% Sky Obscured)

17
20
19
20
16
10
6
24
43
50
39
22
11
16
12
6
8
5
7
4
3
1
1
0

Low Clouds (% Sky Obscured)

14
10
6
2
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
8
16
20
16
10
5
24
43
50
39
22
11
9
5
0
1
0
1
0
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
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
2
2
2
3
3
3
3
3
3
3
2
2
2
1
1
1
2
3
3
3
3
3

Chance of Frost

Temperature (°C)

5
5
5
5
4
4
4
4
4
4
6
7
8
9
9
10
8
6
5
5
5
5
4
4

Feels Like (°C)

5
5
4
5
5
4
4
4
4
4
7
8
9
10
9
10
8
7
6
5
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

86
85
85
85
85
83
85
85
85
83
79
75
70
67
67
69
74
78
80
80
80
79
77
77

Pressure (mb)

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

Ozone (du)

320
318
315
316
320
324
329
333
334
336
333
331
331
329
329
328
327
326
328
328
331
333
333
332

Friday 19

Waning Crescent 1%

08:08

15:53

00 Good
01 Good
02 Good
03 Good
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
23 Bad

Sun - Rise: 08:14, Set: 16:51, Transit: 12:32. Moon - Rise: 08:08, Set: 15:53. Civil Dark: 17:26 - 07:39. Nautical Dark: 18:04 - 07:01. Astro Dark: 18:40 - 06:24

Total Clouds (% Sky Obscured)

0
6
6
8
61
61
60
60
60
65
76
82
90
88
87
86
87
88
84
77
72
63
68
67

Low Clouds (% Sky Obscured)

0
1
3
4
42
61
60
60
60
60
60
60
60
64
68
69
68
69
65
65
60
55
40
35

Medium Clouds (% Sky Obscured)

0
0
0
1
52
60
29
50
50
45
52
66
77
73
69
68
71
72
73
60
44
34
43
49

High Clouds (% Sky Obscured)

0
1
1
0
1
0
0
0
0
5
5
10
15
20
15
20
5
4
0
0
0
3
7
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
4
3
3
2
2
3
3
2
1
1
1
1
1
1

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
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

Precipitation Probability (%)

0
0
0
0
8
10
16
20
32
53
69
73
89
95
95
87
85
90
95
95
95
95
90
81

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.4
0.8
1.1
0.8
0.6
0.5
0.6
1
0.8
0.8
1
0.7
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
79
79
79
77
76
76
75
79
83
88
94
94
96
98
96
96
96
98
98
96
96
96
94

Pressure (mb)

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

Ozone (du)

330
330
328
325
323
319
307
299
290
285
280
279
280
278
288
299
309
318
328
337
342
347
352
351

Saturday 20

New Moon 0%

09:02

16:47

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
23 Bad

Sun - Rise: 08:14, Set: 16:51, Transit: 12:33. Moon - Rise: 09:02, Set: 16:47. Civil Dark: 17:26 - 07:40. Nautical Dark: 18:04 - 07:01. Astro Dark: 18:41 - 06:25

Total Clouds (% Sky Obscured)

65
74
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
13
17
20
12
9
10
39
56
78
83
87
88
91
94
98
96
94
92
90
90
89
91
93

Medium Clouds (% Sky Obscured)

60
61
64
67
76
90
95
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

4
36
68
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
92
86
85
90
90

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

84
77
66
59
52
52
58
53
60
73
72
78
90
91
95
95
95
95
95
95
94
95
89
81

Precipitation Amount (mm)

0.6
0.5
0.3
0.3
0
0
0.3
0
0.2
0.4
0.3
0.4
0.6
0.6
0.9
1.1
0.9
1
1
0.7
0.7
0.9
0.6
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
6
6
6
6
6
5
6
5
6
5
5
5
5
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
94
94
94
94
94
94
94
94
93
94
94
93
94
93
94
94
94
94
94
94
94

Pressure (mb)

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

Ozone (du)

349
348
339
330
320
317
313
310
306
303
300
298
297
296
298
300
302
300
297
294
294
294
294
294

Sunday 21

Waxing Crescent 2%

09:46

17:50

Sun - Rise: 08:15, Set: 16:52, Transit: 12:33. Moon - Rise: 09:46, Set: 17:50. Civil Dark: 17:27 - 07:40. Nautical Dark: 18:05 - 07:02. Astro Dark: 18:41 - 06:25

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Plainpalais, Geneva, Switzerland (46.20,6.14)

Generated: 14/12/25 23:19:10. Forecast: 15/12/25 to 21/12/25. Timezone: UTC+1.00