Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 13

Waning Crescent 24%

04:51

11:42

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
07 Bad

Sun - Rise: 07:59, Set: 16:23, Transit: 12:11. Moon - Rise: 04:51, Set: 11:42. Civil Dark: 17:01 - 07:21. Nautical Dark: 17:42 - 06:40. Astro Dark: 18:22 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
94
89
89
85
77
58

Low Clouds (% Sky Obscured)

94
84
83
79
88
92
91
92
92
97
77
56
64
74
87
73
83
81
86
87
77
62
67
55

Medium Clouds (% Sky Obscured)

100
100
98
99
100
100
100
100
100
100
100
100
100
100
100
100
93
95
75
43
36
28
17
2

High Clouds (% Sky Obscured)

65
99
98
72
100
100
100
100
100
100
100
100
100
100
78
50
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
3
2
2
9
7
7
7
9
9
9
9
9
9
9
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
80
83
95
95
95
82
86
83
64
48
44
53
59
44
22
17
9
5
3
2
0

Precipitation Amount (mm)

1.8
0.6
1.1
0.4
0.5
0.8
0.7
1.1
0.4
0.6
0.6
0.4
0
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
7
13
14
14
14
13
13
10
7
7
5
6
7
8
8
7
6
6
6
4
4
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
10
10
9
9
9
9
8
8
8
7
7
6
7
6
5
4
4
4
3
3
2
1

Relative Humidity (%)

96
96
98
98
98
98
98
98
96
93
91
91
91
88
88
87
87
86
88
90
88
89
88
88

Pressure (mb)

1005
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1006
1007
1008
1008
1009
1010
1010
1011
1011
1012
1012
1013
1013

Ozone (du)

335
332
331
333
334
333
335
337
339
339
337
343
340
343
347
350
348
340
339
339
339
344
344
341

Wednesday 14

Waning Crescent 18%

05:58

12:09

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
07 Bad

Sun - Rise: 07:58, Set: 16:25, Transit: 12:12. Moon - Rise: 05:58, Set: 12:09. Civil Dark: 17:03 - 07:20. Nautical Dark: 17:44 - 06:39. Astro Dark: 18:23 - 06:00

Total Clouds (% Sky Obscured)

48
52
55
90
100
100
100
100
100
100
100
97
82
94
70
96
100
93
92
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
52
50
56
75
64
70
88
91
71
56
18
31
46
45
92
100
87
58
76
64
92
97
100

Medium Clouds (% Sky Obscured)

2
0
2
7
9
32
84
98
99
100
77
96
81
90
70
45
77
68
46
53
100
100
100
100

High Clouds (% Sky Obscured)

0
0
4
37
56
60
70
82
93
99
99
76
25
25
9
4
66
0
40
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
1
0
1
6
9
33
46
57
45
54
53
63
65
44
10
6
5
1
4
13
39
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.4
0
0
0
0.5
0.5
0
0
0
0
0
0
0
0
0.8
1.8

Wind Speed/Direction (mph)

2
2
2
3
4
4
4
3
3
3
3
4
4
8
10
9
9
9
9
8
10
12
14
15

Chance of Frost

Temperature (°C)

2
2
3
5
6
6
6
6
6
6
5
5
4
5
5
6
6
7
7
7
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
79
73
72
71
78
87
91
94
98
100
100
98
98
96
94
94
96
98
90
90
93
94

Pressure (mb)

1014
1014
1014
1014
1014
1013
1012
1012
1012
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1008
1007
1007
1006

Ozone (du)

334
329
326
326
325
324
323
318
313
312
315
317
316
316
316
315
316
320
323
322
328
331
337
338

Thursday 15

Waning Crescent 11%

06:55

12:47

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
07 Bad

Sun - Rise: 07:57, Set: 16:26, Transit: 12:12. Moon - Rise: 06:55, Set: 12:47. Civil Dark: 17:04 - 07:20. Nautical Dark: 17:45 - 06:39. Astro Dark: 18:24 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
97
100
100
40
33
41
41
41
43
43
56
61

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
56
100
99
100
99
89
54
71
72
37
33
41
41
39
41
43
54
61

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
93
87
14
4
33
6
41
41
2
0
9
16

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
83
51
100
100
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
2
4
3
7
9
9
5
2
4
9
9
4
2
4
8
5
5
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
94
95
95
95
68
87
95
93
80
78
84
88
44
24
25
17
24
32

Precipitation Amount (mm)

2.2
2.1
1.8
1.6
0.7
0.6
0.4
1.7
1.5
0.4
0.2
0.4
0.7
0.7
0.4
0
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
15
16
13
12
10
8
8
8
11
12
11
11
15
13
10
17
18
14
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1006
1005
1004
1004
1003
1002
1001
1000
999
999
998
997
996
995
996
996
996
997
1000
1002
1003
1003
1004
1004

Ozone (du)

343
348
349
350
349
348
347
346
344
340
343
347
352
354
357
364
368
367
366
367
365
363
363
366

Friday 16

Waning Crescent 6%

07:41

13:37

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
07 Bad

Sun - Rise: 07:56, Set: 16:28, Transit: 12:13. Moon - Rise: 07:41, Set: 13:37. Civil Dark: 17:05 - 07:19. Nautical Dark: 17:46 - 06:38. Astro Dark: 18:26 - 05:59

Total Clouds (% Sky Obscured)

85
78
85
87
81
76
48
77
70
89
67
74
95
97
100
100
99
94
92
98
99
100
93
86

Low Clouds (% Sky Obscured)

76
69
69
72
63
47
21
24
24
31
35
40
45
42
47
48
50
49
49
50
53
53
59
65

Medium Clouds (% Sky Obscured)

26
18
8
0
8
14
15
22
34
52
62
67
83
83
64
62
69
68
69
59
73
78
74
52

High Clouds (% Sky Obscured)

0
19
35
53
36
21
4
41
66
89
67
74
95
97
100
99
94
78
76
77
73
69
51
36

ISS Passover

Visibility (miles)

6
8
9
9
9
9
9
9
9
8
7
9
9
9
9
9
9
9
8
8
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
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

30
30
31
35
33
27
7
20
26
21
44
52
50
60
62
55
57
55
46
41
31
18
20
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.3
0.3
0.2
0.3
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
14
14
12
12
11
8
6
5
5
5
5
5
5
5
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
3
3
4
4
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3

Dew Point (°C)

6
6
7
6
7
6
6
7
7
6
5
5
6
5
6
6
6
6
5
6
5
5
5
5

Relative Humidity (%)

93
93
93
90
87
85
85
88
93
94
94
94
94
94
94
94
94
94
93
94
94
96
96
96

Pressure (mb)

1005
1005
1005
1006
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1011
1011

Ozone (du)

372
377
376
377
380
381
381
385
387
388
388
390
393
399
402
402
407
409
409
408
408
409
412
412

Saturday 17

Waning Crescent 2%

No Rise

14:40

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
07 Bad

Sun - Rise: 07:55, Set: 16:29, Transit: 12:13. Moon - Rise: No Rise, Set: 14:40. Civil Dark: 17:07 - 07:18. Nautical Dark: 17:48 - 06:37. Astro Dark: 18:27 - 05:58

Total Clouds (% Sky Obscured)

79
51
51
63
66
61
69
72
79
83
57
62
71
65
63
63
59
58
58
61
72
79
78
76

Low Clouds (% Sky Obscured)

68
51
51
55
58
61
64
68
73
77
49
55
61
56
54
53
49
43
40
52
65
78
75
71

Medium Clouds (% Sky Obscured)

30
4
2
2
0
3
7
2
2
17
28
51
64
65
63
63
59
58
55
49
49
48
46
43

High Clouds (% Sky Obscured)

20
1
1
9
9
2
8
12
9
15
10
5
5
4
8
7
7
5
2
8
15
25
25
25

ISS Passover

Visibility (miles)

9
9
9
8
8
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
22
24
25
18
10
2
6
6
2
7
6
1
4
4
1
5
5
2
5
6
3
6
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
94
90
90
88
90
93
94
96
96
96
96
96
94
96
96
96
98
98
96
98
98
96

Pressure (mb)

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

Ozone (du)

413
415
417
416
417
418
418
417
416
416
415
417
418
419
418
417
416
416
415
414
414
413
413
413

Sunday 18

New Moon 0%

08:15

15:53

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
07 Bad

Sun - Rise: 07:54, Set: 16:31, Transit: 12:13. Moon - Rise: 08:15, Set: 15:53. Civil Dark: 17:08 - 07:17. Nautical Dark: 17:49 - 06:36. Astro Dark: 18:28 - 05:57

Total Clouds (% Sky Obscured)

75
80
84
89
88
87
87
90
94
97
96
94
90
92
93
95
94
92
90
93
95
97
98
99

Low Clouds (% Sky Obscured)

66
59
54
49
50
52
59
60
69
80
80
79
77
77
78
78
77
77
75
80
85
91
93
97

Medium Clouds (% Sky Obscured)

34
25
17
11
15
18
22
24
34
33
40
38
20
18
15
11
21
26
32
42
50
57
47
37

High Clouds (% Sky Obscured)

31
20
11
0
0
0
0
0
0
0
0
0
1
13
24
31
18
19
14
25
40
53
61
65

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
8
8
3
9
9
7
11
11
10
14
16
19
18
21
29
23
16
10
12
12
6
10
10

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

Chance of Frost

Temperature (°C)

5
5
5
6
7
7
7
7
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5

Feels Like (°C)

3
3
3
3
3
5
5
4
4
4
5
4
4
4
3
3
3
3
3
3
3
3
3
3

Dew Point (°C)

4
4
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Relative Humidity (%)

96
96
94
91
90
90
90
88
90
91
91
91
91
91
93
93
94
94
94
96
94
94
93
90

Pressure (mb)

1018
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014

Ozone (du)

412
412
412
413
413
411
410
409
411
413
414
416
419
421
420
418
417
417
418
418
418
418
418
419

Monday 19

Waxing Crescent 1%

08:40

17:10

Sun - Rise: 07:53, Set: 16:33, Transit: 12:13. Moon - Rise: 08:40, Set: 17:10. Civil Dark: 17:10 - 07:16. Nautical Dark: 17:50 - 06:36. Astro Dark: 18:30 - 05:57

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

Generated: 13/01/26 08:11:16. Forecast: 13/01/26 to 19/01/26. Timezone: UTC+0.00