Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Crescent 41%

09:23

01:51

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:56, Set: 17:34, Transit: 12:16. Moon - Rise: 09:23, Set: 01:51. Civil Dark: 18:07 - 06:23. Nautical Dark: 18:45 - 05:45. Astro Dark: 19:23 - 05:06

Total Clouds (% Sky Obscured)

96
94
96
100
99
99
98
98
93
98
90
91
82
75
91
96
99
93
74
67
65
62
72
81

Low Clouds (% Sky Obscured)

43
63
93
100
77
90
91
94
82
95
87
84
79
75
91
96
99
93
74
67
63
62
72
81

Medium Clouds (% Sky Obscured)

64
92
96
82
84
80
91
75
42
20
5
15
2
0
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
94
84
71
83
73
11
8
6
11
26
25
3
4
8
2
3
5
50
28
8
5
5
4

ISS Passover

Visibility (miles)

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

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
3
3
20
25
16
3
30
15
1
0
9
0
0
0
0
7
9
6
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)

15
15
15
14
12
12
12
12
12
12
12
13
13
13
12
11
9
7
7
7
8
10
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
83
85
87
91
95
96
96
98
98
96
96
95
96
96
96
98
96
98
96
95
88
83

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1018

Ozone (du)

354
352
349
348
350
348
347
348
349
350
350
350
348
348
350
349
349
350
350
350
352
353
354
354

Tuesday 24

First Quarter 53%

10:08

03:13

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

Sun - Rise: 06:54, Set: 17:36, Transit: 12:16. Moon - Rise: 10:08, Set: 03:13. Civil Dark: 18:09 - 06:21. Nautical Dark: 18:47 - 05:43. Astro Dark: 19:25 - 05:04

Total Clouds (% Sky Obscured)

34
81
70
31
47
28
32
29
28
30
17
23
25
13
8
10
100
100
42
16
26
44
47
50

Low Clouds (% Sky Obscured)

34
81
70
31
47
28
32
29
28
30
17
23
25
13
8
10
18
9
19
16
26
29
32
29

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)

2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
76
87
42
4
0
18
20
28

ISS Passover

Visibility (miles)

0
0
0
0
0
7
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
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)

14
14
13
12
10
7
6
6
6
6
7
7
6
6
6
5
5
5
6
5
5
7
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
80
81
86
91
95
93
93
93
93
96
96
95
96
96
96
98
98
98
96
91
86
81

Pressure (mb)

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

Ozone (du)

354
353
354
354
356
358
360
360
362
363
365
366
366
366
366
365
364
362
360
359
360
360
359
357

Wednesday 25

Waxing Gibbous 65%

11:10

04:21

12 Bad
13 OK
14 Good
15 Good
16 Good
17 OK
18 Good
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 Bad

Sun - Rise: 06:52, Set: 17:37, Transit: 12:16. Moon - Rise: 11:10, Set: 04:21. Civil Dark: 18:10 - 06:19. Nautical Dark: 18:48 - 05:41. Astro Dark: 19:27 - 05:02

Total Clouds (% Sky Obscured)

100
18
6
8
15
24
3
9
17
69
60
59
49
79
68
54
89
93
99
99
100
99
97
97

Low Clouds (% Sky Obscured)

8
0
0
0
0
0
0
5
0
69
35
48
44
62
68
54
89
92
83
75
67
66
69
73

Medium Clouds (% Sky Obscured)

0
0
0
0
2
1
0
4
11
14
21
13
4
19
0
0
5
10
6
3
2
83
84
84

High Clouds (% Sky Obscured)

91
18
6
8
15
24
3
9
2
2
2
0
0
0
0
0
0
0
40
70
100
93
86
79

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
3
0
1
2
9
12
7
12
17
9

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
9
8
6
5
5
5
6
8
9
10
10
11
13
14
15
16
17
16
17
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
80
80
82
89
91
91
91
93
91
93
95
96
96
96
91
91
90
87
93
87
93
90

Pressure (mb)

1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

356
354
353
352
351
351
352
355
357
361
366
375
382
386
391
393
390
390
381
374
370
366
364
361

Thursday 26

Waxing Gibbous 76%

No Rise

05:11

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:50, Set: 17:39, Transit: 12:15. Moon - Rise: No Rise, Set: 05:11. Civil Dark: 18:12 - 06:17. Nautical Dark: 18:50 - 05:39. Astro Dark: 19:28 - 05:00

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
95
90
83
75
67
58
63
66
74

Low Clouds (% Sky Obscured)

72
69
68
64
74
81
85
89
93
93
94
93
90
87
85
82
77
74
65
58
52
55
59
63

Medium Clouds (% Sky Obscured)

81
88
99
96
100
100
100
100
100
100
100
100
91
81
74
60
43
30
35
40
33
35
30
30

High Clouds (% Sky Obscured)

86
93
100
100
100
100
100
100
100
100
100
100
100
100
100
72
43
30
30
25
25
25
21
25

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

18
14
11
17
28
42
73
95
95
95
95
95
95
95
91
52
36
32
31
20
20
16
13
6

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.7
1
1.2
1.3
1.4
1.4
1.1
0.6
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
19
18
18
18
18
18
19
19
19
20
21
19
17
17
17
17
17
17
17
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
87
86
87
87
85
85
85
90
93
91
93
95
95
95
95
95
96
96
96
96
96
96

Pressure (mb)

1016
1016
1015
1015
1014
1014
1013
1012
1012
1011
1010
1009
1008
1008
1008
1007
1008
1008
1009
1009
1010
1011
1011
1012

Ozone (du)

358
356
352
347
343
340
336
335
334
332
331
330
328
327
326
325
324
323
322
323
324
325
328
329

Friday 27

Waxing Gibbous 85%

12:28

05:46

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

Sun - Rise: 06:47, Set: 17:41, Transit: 12:15. Moon - Rise: 12:28, Set: 05:46. Civil Dark: 18:14 - 06:15. Nautical Dark: 18:52 - 05:37. Astro Dark: 19:30 - 04:58

Total Clouds (% Sky Obscured)

75
78
83
75
67
59
53
47
41
35
32
25
15
5
5
17
50
68
79
90
97
90
85
84

Low Clouds (% Sky Obscured)

61
58
57
50
44
37
28
19
10
6
3
0
0
0
0
17
34
51
45
38
35
47
55
63

Medium Clouds (% Sky Obscured)

37
43
65
64
57
45
53
47
41
35
32
25
15
5
5
17
42
45
42
35
29
27
28
28

High Clouds (% Sky Obscured)

20
1
8
20
15
15
15
10
15
15
10
15
10
5
5
17
16
17
39
43
45
39
28
9

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

18
16
28
28
22
13
2
1
2
7
10
11
21
20
13
15
23
30
38
50
60
65
62
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0

Wind Speed/Direction (mph)

15
14
13
11
10
9
8
7
6
6
6
4
3
4
4
5
4
4
5
8
10
13
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
88
80
84
88
90
93
95
95
96
98
98
94
94
94
94
96
96
98
94
93
90
81
74

Pressure (mb)

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

Ozone (du)

332
334
336
335
333
335
334
335
336
337
339
341
344
347
350
353
358
363
368
377
386
395
394
393

Saturday 28

Waxing Gibbous 92%

13:54

06:10

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:45, Set: 17:42, Transit: 12:15. Moon - Rise: 13:54, Set: 06:10. Civil Dark: 18:15 - 06:12. Nautical Dark: 18:53 - 05:34. Astro Dark: 19:32 - 04:56

Total Clouds (% Sky Obscured)

93
96
100
100
100
97
94
92
77
79
89
100
99
99
98
91
84
73
55
47
40
45
50
57

Low Clouds (% Sky Obscured)

72
76
82
89
91
94
90
85
77
72
57
46
58
59
60
59
59
58
53
46
36
37
34
32

Medium Clouds (% Sky Obscured)

29
39
40
40
40
16
16
25
35
53
71
89
91
92
89
74
53
45
28
20
7
30
50
57

High Clouds (% Sky Obscured)

30
57
85
90
95
95
94
92
77
67
33
5
5
5
0
0
0
3
2
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
9
8
8
7
8
8

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

Precipitation Probability (%)

30
23
13
20
16
27
55
74
90
89
85
72
60
46
50
77
95
95
90
62
37
34
34
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
18
19
19
19
18
17
17
17
18
17
16
15
13
11
8
7
6
5
7
9
11
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
71
77
81
84
85
87
87
87
87
88
88
87
87
90
90
91
93
94
91
88
85
81
78

Pressure (mb)

1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1009
1009
1010
1011
1011

Ozone (du)

392
388
384
380
382
384
386
388
391
394
397
400
404
407
410
413
419
424
429
428
426
425
420
415

Sunday 1

Waxing Gibbous 97%

15:20

06:28

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

Sun - Rise: 06:43, Set: 17:44, Transit: 12:15. Moon - Rise: 15:20, Set: 06:28. Civil Dark: 18:17 - 06:10. Nautical Dark: 18:55 - 05:32. Astro Dark: 19:33 - 04:54

Total Clouds (% Sky Obscured)

47
38
28
46
64
81
80
74
58
51
40
39
56
78
100
100
100
100

Low Clouds (% Sky Obscured)

27
24
20
18
19
24
32
50
56
51
40
39
53
49
37
42
51
65

Medium Clouds (% Sky Obscured)

47
29
7
10
19
30
29
28
27
19
11
8
7
7
11
29
52
66

High Clouds (% Sky Obscured)

1
2
2
30
54
74
46
20
0
1
2
2
11
21
25
50
73
100

ISS Passover

Visibility (miles)

8
8
8
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

Precipitation Type

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

Precipitation Probability (%)

30
29
26
18
12
3
6
4
6
9
15
22
22
20
20
51
71
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6

Wind Speed/Direction (mph)

17
16
16
16
14
11
9
9
9
9
11
13
14
15
16
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
78
80
82
85
88
88
90
91
91
90
88
90
95
96
95
95

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1009
1009
1008
1008
1007

Ozone (du)

409
407
405
402
399
397
394
394
394
394
393
392
391
389
388
387
386
385

Forecast for Chichester, West Sussex, United Kingdom (50.84,-0.77)

Generated: 23/02/26 12:21:55. Forecast: 23/02/26 to 01/03/26. Timezone: UTC+0.00