Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Crescent 12%

10:12

19:59

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:38, Set: 16:45, Transit: 12:12. Moon - Rise: 10:12, Set: 19:59. Civil Dark: 17:17 - 07:07. Nautical Dark: 17:52 - 06:31. Astro Dark: 18:26 - 05:57

Total Clouds (% Sky Obscured)

57
67
74
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)

57
67
74
78
23
63
68
64
40
18
43
35
82
92
97
47
95
91
81
87
85
66
69
78

Medium Clouds (% Sky Obscured)

57
67
74
97
54
39
83
89
100
44
100
100
100
100
100
100
100
100
100
82
100
100
100
100

High Clouds (% Sky Obscured)

57
67
74
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

4
6
6
6
7
6
6
6
9
9
8
3
9
6
9
6
6
9
9
9
8
4
3
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
12
4
2
1
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
74
60
64
69
55
51
60
90
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.7
0.4
0.3
0.3
0.2
0.3
0.2
0
0
0
0.4
0.7
1.2
1.2
1.2
1.1
1
4.1
3.5
2.4
0.7
1
0.9
0.9

Wind Speed/Direction (mph)

13
16
14
11
12
12
11
12
13
12
12
11
9
7
5
4
4
5
6
3
5
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
9
9
10
10
11
11
11
11
11
10
10
10
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

82
83
81
79
76
79
79
80
79
78
75
75
75
81
83
84
86
87
88
88
90
90
91
91

Pressure (mb)

1009
1009
1008
1008
1008
1008
1009
1009
1009
1008
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1005
1005
1004
1004

Ozone (du)

366
368
368
367
371
377
383
392
396
395
393
392
394
397
404
408
411
413
415
415
419
419
419
417

Wednesday 24

Waxing Crescent 19%

10:39

21:07

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:39, Set: 16:46, Transit: 12:12. Moon - Rise: 10:39, Set: 21:07. Civil Dark: 17:17 - 07:07. Nautical Dark: 17:53 - 06:32. Astro Dark: 18:27 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
34
82
87
70
80
78
63
72
68
69
57
76
82
100
100
100
100

Low Clouds (% Sky Obscured)

84
73
76
77
74
81
67
34
79
80
70
80
78
63
72
68
69
57
76
82
92
96
95
91

Medium Clouds (% Sky Obscured)

100
100
100
100
100
73
62
34
80
86
70
80
78
63
61
57
56
57
61
72
89
96
91
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
0
0
0
1
0
0
0
0
0
0
0
0
0
100
100
100
100

ISS Passover

Visibility (miles)

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

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
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
87
79
84
78
79
85
95
95
95
95
95
95
95
95
87
89
95
95
95
95
95
95

Precipitation Amount (mm)

0.7
0.6
0.4
0.3
0.4
0.4
0.5
0.5
0.8
2.2
2.3
1.7
1.1
0.8
0.7
0.6
0.4
0.4
0.6
0.9
0.6
0.4
0.5
0.2

Wind Speed/Direction (mph)

5
3
4
3
5
5
6
7
6
5
9
9
10
10
8
8
9
9
10
11
13
15
14
14

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
11
12
12
12
11
11
11
11
10
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
8
8
8
9
10
10
10
10
10
9
9
9
9
8
9
9
9
8
9
9

Relative Humidity (%)

88
88
88
90
85
87
83
87
88
87
90
90
92
87
85
87
88
88
90
90
93
90
91
95

Pressure (mb)

1004
1003
1003
1002
1003
1003
1003
1003
1003
1003
1002
1003
1004
1004
1005
1005
1006
1007
1007
1007
1008
1008
1009
1009

Ozone (du)

418
420
423
424
424
424
422
425
430
430
430
432
431
425
423
422
421
420
420
421
421
419
419
418

Thursday 25

Waxing Crescent 28%

11:01

22:15

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:39, Set: 16:46, Transit: 12:13. Moon - Rise: 11:01, Set: 22:15. Civil Dark: 17:18 - 07:07. Nautical Dark: 17:53 - 06:32. Astro Dark: 18:27 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
81
67
71
75

Low Clouds (% Sky Obscured)

91
47
78
67
54
22
53
40
31
30
21
17
16
17
17
18
11
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
71
78
100
100
100
69
70
67
67
57
57
52
47
52
50
55
60
61
49
34

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
84
81
11
39
63

ISS Passover

Visibility (miles)

5
4
3
4
4
8
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

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

Precipitation Probability (%)

95
95
95
95
95
84
95
95
95
95
95
90
60
47
41
34
32
30
22
14
8
3
5
5

Precipitation Amount (mm)

0.4
0.9
1.5
1.9
1.1
0
0.4
0.5
0.5
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
13
14
14
13
13
14
16
17
15
15
13
10
8
7
7
7
7
7
8
8
8
9

Chance of Frost

Temperature (°C)

12
11
11
11
11
11
11
12
13
13
13
13
13
12
11
11
11
11
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

9
8
8
8
7
7
7
7
7
7
7
7
8
8
8
8
7
7
7
7
7
7
7
7

Relative Humidity (%)

83
79
84
80
77
75
73
71
70
66
64
64
69
75
80
80
78
78
80
80
80
81
82
81

Pressure (mb)

1010
1010
1010
1011
1012
1012
1013
1014
1015
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

416
418
419
418
417
417
418
419
417
413
411
411
410
410
413
414
415
416
415
416
417
416
417
417

Friday 26

Waxing Crescent 38%

11:22

23:23

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 OK
22 OK
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 07:39, Set: 16:47, Transit: 12:13. Moon - Rise: 11:22, Set: 23:23. Civil Dark: 17:19 - 07:08. Nautical Dark: 17:54 - 06:33. Astro Dark: 18:28 - 05:59

Total Clouds (% Sky Obscured)

75
60
55
55
55
55
65
67
74
78
78
74
70
89
100
100
89
76
34
13
7
1
1
1

Low Clouds (% Sky Obscured)

0
0
0
0
8
16
24
23
19
16
19
20
25
19
12
0
4
7
10
7
4
0
0
0

Medium Clouds (% Sky Obscured)

19
25
30
38
36
38
45
40
45
45
50
55
50
44
48
47
38
21
10
5
3
0
0
0

High Clouds (% Sky Obscured)

75
60
55
55
55
55
65
67
74
78
76
72
62
88
99
100
89
76
25
2
1
1
1
1

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 (%)

3
15
20
18
30
32
27
31
28
23
24
23
17
21
23
12
17
16
5
6
4
1
1
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)

9
9
10
10
10
10
10
9
9
9
9
9
9
8
8
8
8
9
9
9
9
10
10
10

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
10
11
12
13
14
14
13
13
11
11
10
10
10
10
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

7
7
7
6
6
6
7
7
7
7
7
8
8
8
8
7
7
7
7
7
7
7
6
6

Relative Humidity (%)

81
82
82
81
81
81
80
75
69
66
64
67
70
75
80
80
80
80
82
81
82
84
84
84

Pressure (mb)

1018
1018
1018
1018
1019
1019
1020
1021
1021
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

416
414
413
413
412
412
410
409
405
400
399
395
389
382
378
373
368
363
361
359
357
354
351
348

Saturday 27

First Quarter 49%

11:43

00:34

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

Sun - Rise: 07:40, Set: 16:48, Transit: 12:14. Moon - Rise: 11:43, Set: 00:34. Civil Dark: 17:19 - 07:08. Nautical Dark: 17:54 - 06:33. Astro Dark: 18:29 - 05:59

Total Clouds (% Sky Obscured)

0
44
60
42
4
0
0
0
0
0
0
0
0
16
35
57
1
2
3
4
5
5
4
4

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
44
60
42
4
0
0
0
0
0
0
0
0
16
29
57
1
2
3
4
4
5
4
3

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
82
82
84
85
82
74
67
63
61
59
62
67
72
71
70
70
70
70
70
70
70
70

Pressure (mb)

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

Ozone (du)

346
342
341
339
335
330
329
327
326
325
325
321
319
318
319
318
317
318
318
319
318
317
316
317

Sunday 28

Waxing Gibbous 61%

12:05

01:47

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

Sun - Rise: 07:40, Set: 16:48, Transit: 12:14. Moon - Rise: 12:05, Set: 01:47. Civil Dark: 17:20 - 07:08. Nautical Dark: 17:55 - 06:33. Astro Dark: 18:29 - 05:59

Total Clouds (% Sky Obscured)

3
10
19
27
17
11
5
6
5
5
9
13
18
24
27
26
13
7
0
0
0
0
4
2

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
3
4
7
5
3
2
3
5
5
9
13
17
14
8
6
3
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
9
17
24
16
10
0
0
0
0
1
2
2
3
4
3
0
0
0
0
0
0
4
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 (%)

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 (%)

2
1
1
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)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
8
8
9
10
11
12
12
12
12
11
10
9
8
8
7
7
7
6
6

Feels Like (°C)

6
6
6
7
7
7
7
7
7
8
8
13
12
13
13
13
12
8
8
7
7
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

71
71
73
75
75
75
73
72
68
65
62
62
61
61
63
66
68
68
69
69
70
70
71
72

Pressure (mb)

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

Ozone (du)

318
318
320
321
322
324
326
328
330
331
333
327
321
316
314
312
311
310
310
309
309
308
308
308

Monday 29

Waxing Gibbous 72%

12:30

03:05

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

Sun - Rise: 07:40, Set: 16:49, Transit: 12:15. Moon - Rise: 12:30, Set: 03:05. Civil Dark: 17:21 - 07:09. Nautical Dark: 17:56 - 06:33. Astro Dark: 18:30 - 05:59

Total Clouds (% Sky Obscured)

0
0
0
0
1
2
3
2
2
3
18
31
44
49
58
68
70
72
70
60
50
35

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
3
2
1
0
18
31
44
49
58
68
70
72
70
60
50
35

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

High Clouds (% Sky Obscured)

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

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

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

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
7
8
9
10
11
12
12
12
12
11
10
10
10
9
9
9
9

Feels Like (°C)

5
5
5
5
5
5
6
6
7
7
7
13
12
12
12
12
12
8
8
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

74
75
75
76
76
75
73
72
68
66
64
66
67
70
72
76
78
76
74
73
74
73

Pressure (mb)

1016
1017
1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1017
1016
1017
1017
1017
1017
1017
1018
1018
1018

Ozone (du)

308
309
309
310
311
312
313
314
313
312
311
309
306
304
303
303
302
303
303
304
304
304

Forecast for Civitavecchia, Province of Rome, Italy (42.09,11.80)

Generated: 23/12/25 03:14:11. Forecast: 23/12/25 to 29/12/25. Timezone: UTC+1.00