Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 61%

12:07

01:55

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
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:50, Set: 16:46, Transit: 12:18. Moon - Rise: 12:07, Set: 01:55. Civil Dark: 17:19 - 07:17. Nautical Dark: 17:56 - 06:41. Astro Dark: 18:31 - 06:06

Total 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

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)

0
0
0
0
0
0
0
0
0
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
1
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)

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

Chance of Frost

Temperature (°C)

0
0
2
6
9
10
11
11
11
9
7
6
6
6
6
5
5
5
5
5
5
5
5
4

Feels Like (°C)

-1
-2
2
5
8
10
11
11
11
9
7
5
5
4
3
3
3
3
3
3
2
3
3
3

Dew Point (°C)

-11
-11
-8
-5
-3
-2
-0
2
4
4
2
0
-2
-3
-4
-4
-4
-5
-5
-5
-6
-6
-7
-8

Relative Humidity (%)

43
44
45
45
45
45
47
51
61
69
71
64
56
53
51
52
51
49
50
49
47
45
42
41

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

321
322
322
323
322
321
323
321
320
321
322
323
325
326
328
329
329
329
329
329
329
328
328
326

Monday 29

Waxing Gibbous 72%

12:30

03:14

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
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:50, Set: 16:47, Transit: 12:19. Moon - Rise: 12:30, Set: 03:14. Civil Dark: 17:20 - 07:18. Nautical Dark: 17:56 - 06:41. Astro Dark: 18:31 - 06:06

Total 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
2
12

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
2
12

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)

0
0
0
0
0
0
0
0
0
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2

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

Chance of Frost

Temperature (°C)

4
4
5
7
9
10
10
10
9
7
5
5
4
4
3
3
2
2
2
2
2
2
2
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
41
43
43
42
45
48
52
60
73
75
75
72
72
72
72
74
77
80
81
80
80
80
80

Pressure (mb)

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

Ozone (du)

323
320
320
319
318
317
317
317
316
315
312
311
308
308
305
305
306
306
309
312
313
316
316
317

Tuesday 30

Waxing Gibbous 82%

12:59

04:36

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

Sun - Rise: 07:51, Set: 16:48, Transit: 12:19. Moon - Rise: 12:59, Set: 04:36. Civil Dark: 17:21 - 07:18. Nautical Dark: 17:57 - 06:42. Astro Dark: 18:32 - 06:07

Total Clouds (% Sky Obscured)

37
39
45
34
33
32
32
30
25
30
25
20
16
20
22
7
4
3
2
3
2
2
2
1

Low Clouds (% Sky Obscured)

35
38
45
34
33
32
32
30
25
30
25
20
16
20
22
7
4
3
2
3
2
2
2
1

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)

0
0
0
0
0
0
0
0
0
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
0
0
8
9
9
9
9
9
9
9
9

Fog (%)

0
2
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 (%)

4
3
2
4
8
8
9
9
15
7
4
11
14
16
18
14
5
3
4
12
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)

0
1
2
1
0
0
0
1
2
2
4
6
8
8
8
9
10
10
8
9
10
8
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
79
74
74
74
75
81
82
85
85
82
85
93
93
91
82
82
83
83
82
80
80
77

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1011
1012
1013
1014
1014
1015
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

319
322
320
319
319
321
327
327
330
330
329
325
322
321
320
315
309
303
300
299
300
304
308
308

Wednesday 31

Waxing Gibbous 91%

13:36

05:58

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
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:51, Set: 16:49, Transit: 12:20. Moon - Rise: 13:36, Set: 05:58. Civil Dark: 17:22 - 07:18. Nautical Dark: 17:58 - 06:42. Astro Dark: 18:33 - 06:07

Total Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
2
2
1
2
2
0
0
0
0
1
1
1
4
4
4
7

Low Clouds (% Sky Obscured)

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

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)

0
0
0
0
0
0
0
0
0
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 (%)

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)

8
8
7
8
9
8
7
6
5
5
4
3
3
2
1
1
1
1
0
0
1
1
0
0

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
72
61
55
52
49
50
53
62
73
77
77
73
70
67
67
70
71
70
71
74
74
75

Pressure (mb)

1019
1020
1020
1020
1020
1019
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

311
318
326
331
334
335
335
335
335
338
340
345
347
346
346
345
343
341
341
340
339
335
332
332

Thursday 1

Waxing Gibbous 97%

14:25

No Set

07 OK
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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:51, Set: 16:50, Transit: 12:20. Moon - Rise: 14:25, Set: No Set. Civil Dark: 17:22 - 07:18. Nautical Dark: 17:59 - 06:42. Astro Dark: 18:34 - 06:07

Total Clouds (% Sky Obscured)

30
71
85
86
91
94
97
97
100
100
100
100
100
100
100
99
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

24
66
81
83
87
93
96
97
100
100
100
100
100
100
100
99
99
98
98
99
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
10
18
24
25
21
19
4
7
14
12
6
0
16
33
49
60
70
81

High Clouds (% Sky Obscured)

2
2
2
0
0
1
2
2
3
23
9
15
8
9
10
22
61
86
97
99
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

0
0
0
1
3
2
14
22
26
26
42
50
51
48
44
47
57
70
66
70
91
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0
0
0.3
0.6
0.4
0.4
0.9
1
1.1
1.5

Wind Speed/Direction (mph)

0
0
1
0
0
0
0
1
1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
72
69
67
66
71
90
96
98
98
98
98
100
100
100
100
98
100
100
100
100
100
100

Pressure (mb)

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

Ozone (du)

334
337
339
338
339
339
335
337
338
336
333
333
334
335
336
338
337
337
337
336
336
335
333
330

Friday 2

Waxing Gibbous 100%

15:28

07:12

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:51, Set: 16:51, Transit: 12:21. Moon - Rise: 15:28, Set: 07:12. Civil Dark: 17:23 - 07:18. Nautical Dark: 18:00 - 06:42. Astro Dark: 18:34 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
94
92
89
86
87
90
92
96
97
99
96
90
85
81
76
71
65

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
94
87
81
78
77
79
87
91
93
93
92
93
87
85
81
76
71
65

Medium Clouds (% Sky Obscured)

79
75
71
54
36
20
28
37
45
54
64
71
76
78
83
67
52
36
25
14
3
19
34
47

High Clouds (% Sky Obscured)

88
60
35
30
30
34
42
65
73
71
69
64
33
11
1
0
1
0
2
6
20
14
8
4

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 (%)

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
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate 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 (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
87
76
68
66
64
63
65

Precipitation Amount (mm)

1.2
1.2
1.4
1.4
1.5
1.8
1.5
1.5
1.6
2.5
3.3
4.7
2.5
2.1
2.2
1.3
0.9
0.9
0.6
0.4
0.4
0.4
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1012
1012
1011
1011
1010
1009
1008
1008
1007
1006
1006
1006
1005
1005
1004
1004
1003
1003
1003
1003
1003
1003
1004
1004

Ozone (du)

328
326
324
323
321
320
318
318
318
318
319
319
320
319
319
318
317
316
315
316
316
316
318
319

Saturday 3

Full Moon 99%

16:44

08:13

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
00 Bad

Sun - Rise: 07:51, Set: 16:52, Transit: 12:21. Moon - Rise: 16:44, Set: 08:13. Civil Dark: 17:24 - 07:18. Nautical Dark: 18:00 - 06:42. Astro Dark: 18:35 - 06:07

Total Clouds (% Sky Obscured)

65
55
55
45
45
45
50
55
60
70
70
60
60
45
35
25
15
15

Low Clouds (% Sky Obscured)

65
55
55
45
45
45
50
55
60
70
69
60
60
45
35
25
15
15

Medium Clouds (% Sky Obscured)

60
55
55
45
45
45
50
55
47
54
61
60
60
45
35
25
15
15

High Clouds (% Sky Obscured)

5
5
4
22
44
45
50
55
60
70
70
60
60
45
35
25
15
15

ISS Passover

Visibility (miles)

0
2
5
7
7
8
9
8
8
8
7
6
5
3
2
0
2
4

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

65
76
94
90
85
75
82
75
44
51
53
49
64
80
95
95
95
91

Precipitation Amount (mm)

0.3
0.5
0.8
0.7
0.6
0.4
0.7
0.6
0
0.2
0.2
0
0.2
0.3
0.6
1.2
1.3
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
93
90
91
91
93
93
90
90
91
90
91
93
96
98
98
96

Pressure (mb)

1005
1005
1006
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

321
321
322
323
321
319
317
312
307
302
302
301
301
302
302
303
302
302

Forecast for Margine Coperta-Traversagna, Provincia di Pistoia, Italy (43.88,10.76)

Generated: 28/12/25 07:55:03. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+1.00