Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 12%

10:09

19:56

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:35, Set: 16:43, Transit: 12:09. Moon - Rise: 10:09, Set: 19:56. Civil Dark: 17:15 - 07:03. Nautical Dark: 17:50 - 06:28. Astro Dark: 18:24 - 05:54

Total Clouds (% Sky Obscured)

91
94
95
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
35
74
75
77
56
23
19
45
71
72
66
37
20
20
68
64
69
75
81
90
97
76
73

Medium Clouds (% Sky Obscured)

50
74
92
84
71
51
62
81
98
98
100
100
100
88
40
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

91
92
95
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

18
27
28
31
32
31
34
38
42
54
52
49
42
27
36
55
83
90
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0.7
0.7
0.3
1.2
2
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
15
14
13
13
13
13
12
13
13
13
13
14
15
16
15
14
14
14
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
60
62
61
61
61
64
65
67
67
66
75
78
73
70
69
75
86
83
79
81
83
87
88

Pressure (mb)

1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1008
1007
1007
1007
1007
1007
1006
1006
1006

Ozone (du)

359
365
364
360
367
367
369
370
375
376
377
382
388
393
397
401
401
399
398
397
401
405
411
415

Tuesday 23

Waxing Crescent 19%

10:35

21:04

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:35, Set: 16:44, Transit: 12:09. Moon - Rise: 10:35, Set: 21:04. Civil Dark: 17:15 - 07:04. Nautical Dark: 17:50 - 06:29. Astro Dark: 18:24 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
96
89
93
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
71
68
75
72
21
66
81
93
98
88
96
73
48
58
87
97
95
64
33
52
71
40
12

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
70
98
100
70
71
62
71
100
100
100
98
100
100
98
83
55

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
96
89
93
100
100
100
100
100
0
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

Light Rain
Light Rain
None
None
None
None
None
None
None
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
None
None

Precipitation Probability (%)

95
95
70
55
44
41
33
40
64
95
95
95
95
95
95
95
95
95
95
95
95
87
65
57

Precipitation Amount (mm)

0.8
0.4
0
0
0
0
0
0
0
0.9
1.8
1.8
0.9
0.6
0.9
1
1.1
1.1
0.9
0.7
0.6
0.5
0
0

Wind Speed/Direction (mph)

5
3
4
5
7
8
7
9
8
10
9
18
10
9
9
10
11
11
12
12
12
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
90
88
84
79
78
76
80
78
87
90
85
77
72
72
73
75
73
72
77
77
78
80

Pressure (mb)

1006
1006
1006
1006
1005
1005
1005
1004
1004
1004
1004
1005
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1010

Ozone (du)

417
414
412
412
414
414
413
412
413
415
412
413
417
420
420
424
426
427
425
425
426
424
422
421

Wednesday 24

Waxing Crescent 28%

10:58

21:04

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:36, Set: 16:44, Transit: 12:10. Moon - Rise: 10:58, Set: 21:04. Civil Dark: 17:16 - 07:04. Nautical Dark: 17:51 - 06:29. Astro Dark: 18:25 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
83
67
54
53
50

Low Clouds (% Sky Obscured)

8
17
43
45
40
32
3
3
5
3
0
2
0
0
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

87
91
95
94
100
94
98
70
99
100
100
100
100
99
95
100
100
100
100
83
67
54
53
50

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
67
33
10
20
20

ISS Passover

Visibility (miles)

9
9
9
9
7
6
8
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 (%)

51
46
29
32
34
36
29
17
8
7
3
2
3
3
3
3
2
2
2
2
2
1
2
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)

9
9
7
6
5
4
4
4
4
4
4
4
4
4
5
5
5
5
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
74
76
78
80
80
81
79
78
77
77
75
71
65
59
60
63
65
67
71
72
71
72

Pressure (mb)

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

Ozone (du)

423
424
424
423
420
416
415
414
414
416
418
419
420
420
419
418
416
415
414
414
416
419
421
422

Thursday 25

Waxing Crescent 38%

11:19

22:12

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

Sun - Rise: 07:36, Set: 16:45, Transit: 12:10. Moon - Rise: 11:19, Set: 22:12. Civil Dark: 17:16 - 07:04. Nautical Dark: 17:52 - 06:29. Astro Dark: 18:25 - 05:55

Total Clouds (% Sky Obscured)

46
26
36
62
54
54
41
53
49
56
45
67
51
45
47
40
45
50
55
68
75
75
62
15

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

46
20
27
62
47
46
30
40
28
26
19
13
7
5
4
34
38
35
40
40
50
51
51
3

High Clouds (% Sky Obscured)

20
7
12
19
23
21
18
30
31
39
29
67
51
45
47
40
45
50
55
68
57
10
10
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 (%)

1
1
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
4
4
4
4
5
4
4
4
5
5
5
5
6
6
5
5
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

9
9
9
8
8
8
8
8
8
7
7
8
9
11
12
13
14
14
14
13
12
11
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
70
70
69
65
63
63
64
64
65
65
65
63
56
53
51
51
52
56
62
66
68
69
69

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1021
1021
1021
1022
1022
1022
1022
1023

Ozone (du)

421
417
413
409
408
410
411
411
412
410
407
404
404
403
397
393
387
381
380
378
373
369
366
362

Friday 26

Waxing Crescent 49%

11:40

23:21

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

Sun - Rise: 07:36, Set: 16:46, Transit: 12:11. Moon - Rise: 11:40, Set: 23:21. Civil Dark: 17:17 - 07:05. Nautical Dark: 17:52 - 06:30. Astro Dark: 18:26 - 05:56

Total Clouds (% Sky Obscured)

7
6
6
5
17
23
32
22
11
1
0
0
0
1
1
1
1
1
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)

4
4
4
3
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
4
4
3
13
17
24
21
11
1
0
0
0
1
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

10
9
9
9
9
8
8
8
7
7
7
8
9
10
11
12
14
13
13
13
12
10
9
9

Feels Like (°C)

9
9
9
8
7
7
8
7
7
6
6
6
7
7
8
8
9
13
14
14
13
13
13
9

Dew Point (°C)

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

Relative Humidity (%)

69
68
70
70
70
70
70
69
69
70
70
65
61
58
54
49
46
48
51
53
57
62
69
69

Pressure (mb)

1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

358
356
353
351
350
348
345
340
338
336
336
333
330
328
326
325
323
322
321
319
319
318
318
317

Saturday 27

First Quarter 61%

12:02

00:31

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

Sun - Rise: 07:37, Set: 16:46, Transit: 12:11. Moon - Rise: 12:02, Set: 00:31. Civil Dark: 17:18 - 07:05. Nautical Dark: 17:53 - 06:30. Astro Dark: 18:27 - 05:56

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
5

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
1
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
1
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
1
1
1
7
8

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
3
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
7
8
6
6
6
6
6
6
5
5
6
7
8
9
13
13
12
12
12
11
8

Dew Point (°C)

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

Relative Humidity (%)

70
73
72
74
74
75
75
75
75
75
73
70
65
62
60
60
59
60
62
63
64
64
67
63

Pressure (mb)

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

Ozone (du)

316
316
315
315
314
314
314
313
315
317
319
321
323
324
327
330
332
337
342
348
340
333
326
325

Sunday 28

Waxing Gibbous 72%

12:27

01:44

21 Good
22 OK
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: 07:37, Set: 16:47, Transit: 12:12. Moon - Rise: 12:27, Set: 01:44. Civil Dark: 17:19 - 07:05. Nautical Dark: 17:54 - 06:30. Astro Dark: 18:27 - 05:56

Total Clouds (% Sky Obscured)

7
33
60
86
86
76
70
70
70
70
85
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
27
52
77
83
76
70
70
70
70
85
82
73
68
63
58

Medium Clouds (% Sky Obscured)

0
5
11
16
44
72
70
70
70
70
85
100
100
100
100
100

High Clouds (% Sky Obscured)

4
18
31
44
32
19
6
5
4
4
3
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
6
4
6
8
9
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

5
9
10
6
27
42
55
51
46
45
37
25
9
7
4
0

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.5
0.3
0.2
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
-1
-3
-5
-7
-5
-3
-1
-2
-3
-4
-4
-4
-4
-5
-5

Relative Humidity (%)

62
59
52
45
40
47
56
66
62
59
56
53
49
45
40
36

Pressure (mb)

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

Ozone (du)

325
324
327
330
333
337
341
345
349
353
357
357
357
357
358
358

Forecast for Testaccio, Province of Rome, Italy (41.86,12.48)

Generated: 22/12/25 21:12:35. Forecast: 22/12/25 to 28/12/25. Timezone: UTC+1.00