Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 9

Third Quarter 43%

02:36

10:08

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:23, Set: 17:09, Transit: 12:17. Moon - Rise: 02:36, Set: 10:08. Civil Dark: 17:43 - 06:48. Nautical Dark: 18:22 - 06:10. Astro Dark: 19:01 - 05:31

Total Clouds (% Sky Obscured)

83
87
90
89
100
100
100
100
100
99
96
97
98
91
97
88
90
91
80
94
100
69
71
81

Low Clouds (% Sky Obscured)

45
35
33
83
60
88
91
99
100
93
95
95
96
85
91
75
81
82
67
89
87
65
70
61

Medium Clouds (% Sky Obscured)

83
33
78
37
100
100
100
100
100
99
53
44
32
12
24
21
19
24
35
55
74
5
0
0

High Clouds (% Sky Obscured)

83
35
90
89
100
100
100
75
56
53
13
0
1
0
0
0
0
0
4
3
0
0
3
31

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
9
7
4
5
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
21
2
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
2
17
60
84
95
95
95
86
54
34
26
18
16
10
7
7
12
8
6
5
2

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.4
0.8
1.3
1.3
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
12
12
13
13
12
12
13
13
12
11
10
7
5
5
4
4
4
4
4
4
5
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
80
78
81
85
87
85
87
90
93
95
96
96
98
98
98
96
96
96
96
96
98
98
95

Pressure (mb)

1000
999
999
998
997
996
995
995
994
993
993
992
992
992
992
992
992
991
991
991
991
991
991
991

Ozone (du)

428
424
417
409
406
403
403
404
406
407
409
409
403
406
416
430
416
411
413
414
415
409
401
385

Tuesday 10

Waning Crescent 34%

03:45

10:41

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:21, Set: 17:11, Transit: 12:17. Moon - Rise: 03:45, Set: 10:41. Civil Dark: 17:45 - 06:47. Nautical Dark: 18:24 - 06:08. Astro Dark: 19:02 - 05:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
95
100
100
100
100
100
100
100
100
100
100
93
79
94
68
63

Low Clouds (% Sky Obscured)

69
100
82
79
93
100
100
83
77
82
71
74
80
81
74
90
88
60
74
87
66
67
65
48

Medium Clouds (% Sky Obscured)

0
50
34
67
96
98
96
86
83
53
96
99
67
88
78
56
62
55
100
42
61
85
4
17

High Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
75
100
100
100
57
90
27
87
100
82
99
1
20
7
0
5

ISS Passover

Visibility (miles)

9
9
9
9
4
3
0
0
0
3
9
9
9
5
9
9
9
9
9
9
9
6
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
13
2
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

4
5
43
95
95
95
95
79
18
10
8
23
61
50
43
46
39
23
23
12
36
70
28
18

Precipitation Amount (mm)

0
0
0
1.1
0.8
2
1.3
0.5
0
0
0
0
0.2
0
0
0.2
0
0
0
0
0
0.5
0
0

Wind Speed/Direction (mph)

10
11
13
11
9
9
8
7
5
5
9
8
10
10
13
13
13
14
14
13
14
17
16
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
84
83
84
95
98
98
98
98
98
95
93
96
98
93
87
90
90
81
83
91
88
91
87

Pressure (mb)

991
990
989
988
987
986
985
984
984
984
984
984
984
984
985
985
985
985
985
986
986
987
987
987

Ozone (du)

376
371
363
358
358
359
358
361
364
369
370
371
374
373
374
376
378
389
390
391
385
385
386
381

Wednesday 11

Waning Crescent 25%

04:46

No Set

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:19, Set: 17:13, Transit: 12:17. Moon - Rise: 04:46, Set: No Set. Civil Dark: 17:47 - 06:45. Nautical Dark: 18:26 - 06:06. Astro Dark: 19:04 - 05:28

Total Clouds (% Sky Obscured)

57
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
99
100
98
97
99
99

Low Clouds (% Sky Obscured)

54
43
48
45
42
65
38
67
100
100
100
100
87
89
100
100
98
67
46
60
73
85
83
81

Medium Clouds (% Sky Obscured)

7
24
41
100
56
75
100
100
100
100
100
95
83
92
100
100
100
23
44
47
44
33
24
28

High Clouds (% Sky Obscured)

12
92
100
100
100
100
99
100
100
100
100
99
100
100
100
100
100
62
90
90
90
90
70
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
3
5
2
1
4
9
9
9
6
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
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

27
26
15
10
22
41
84
95
95
95
95
95
66
50
69
88
85
61
32
29
34
39
42
45

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
1.2
1.4
3.8
2.3
1.4
0.2
0
0.3
0.6
0.7
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
18
18
17
15
13
10
8
7
5
5
8
9
15
17
17
15
9
8
8
8
9
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
86
84
83
85
95
95
96
98
100
98
98
95
91
91
87
88
88
88
94
91
88
87

Pressure (mb)

987
987
986
985
984
983
982
980
978
977
975
974
972
972
972
974
976
977
978
979
980
981
982
983

Ozone (du)

373
361
360
358
356
357
354
352
355
355
358
363
369
375
387
400
407
413
415
421
422
422
425
424

Thursday 12

Waning Crescent 17%

05:37

11:26

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:17, Set: 17:14, Transit: 12:17. Moon - Rise: 05:37, Set: 11:26. Civil Dark: 17:49 - 06:43. Nautical Dark: 18:27 - 06:05. Astro Dark: 19:05 - 05:27

Total Clouds (% Sky Obscured)

91
84
73
85
53
83
85
86
87
86
91
95
60
55
51
44
44
42
85
74
92
96
90
84

Low Clouds (% Sky Obscured)

73
64
57
45
49
45
36
39
38
34
35
32
36
36
35
34
28
26
46
36
46
47
49
60

Medium Clouds (% Sky Obscured)

32
47
40
45
27
22
19
46
51
66
80
55
52
55
51
44
44
31
9
8
45
39
38
32

High Clouds (% Sky Obscured)

31
30
30
30
26
26
22
17
11
10
43
69
60
55
51
44
44
42
35
43
55
64
45
35

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

46
44
43
39
40
33
10
21
24
19
26
33
37
52
52
46
44
44
48
50
50
55
56
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
14
13
14
15
16
14
10
9
10
10
9
7
7
7
7
7
7
6
6
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
80
76
76
77
77
77
82
88
91
93
94
93
93
94
94
94
94
93
94
94
93
90
87

Pressure (mb)

984
984
985
986
986
987
987
987
987
987
987
987
986
986
986
985
985
984
984
984
984
984
984
984

Ozone (du)

425
428
430
427
427
425
427
431
436
442
446
449
455
454
453
455
458
456
457
458
451
448
447
448

Friday 13

Waning Crescent 10%

06:15

12:24

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 OK
06 OK
07 Good
08 Good
09 OK
10 OK

Sun - Rise: 07:15, Set: 17:16, Transit: 12:17. Moon - Rise: 06:15, Set: 12:24. Civil Dark: 17:50 - 06:41. Nautical Dark: 18:29 - 06:03. Astro Dark: 19:07 - 05:25

Total Clouds (% Sky Obscured)

79
84
90
96
93
91
88
90
92
94
92
91
89
88
89
91
72
45
21
14
8
3
13
26

Low Clouds (% Sky Obscured)

72
72
74
77
73
69
66
67
69
70
71
73
74
72
71
69
57
44
21
14
8
3
13
26

Medium Clouds (% Sky Obscured)

30
35
40
52
60
66
47
79
83
87
79
70
58
59
62
61
39
19
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
36
53
68
41
31
19
11
12
15
15
10
15
9
12
13
9
4
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
4
5
4
1
0
0
0
5
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

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

Precipitation Probability (%)

60
61
66
75
67
77
95
95
75
44
21
15
8
12
12
8
8
9
5
4
3
1
1
0

Precipitation Amount (mm)

0.2
0.2
0.2
0.3
0.2
0.4
1
0.8
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
14
16
18
18
19
19
17
17
17
16
15
15
14
14
14
13
13
12
12
12
12

Chance of Frost

Temperature (°C)

8
8
8
7
5
5
4
3
3
3
3
2
2
2
1
1
1
0
0
-0
0
1
1
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
87
93
94
96
96
96
85
82
79
77
79
84
83
83
83
83
83
83
81
81
80
77

Pressure (mb)

985
985
985
986
987
989
990
992
994
996
998
999
1001
1002
1004
1005
1007
1008
1009
1011
1012
1013
1015
1016

Ozone (du)

448
447
448
445
442
439
443
443
446
448
452
455
458
457
458
458
458
457
456
455
452
449
446
439

Saturday 14

Waning Crescent 5%

06:43

13:34

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

Sun - Rise: 07:14, Set: 17:18, Transit: 12:17. Moon - Rise: 06:43, Set: 13:34. Civil Dark: 17:52 - 06:40. Nautical Dark: 18:30 - 06:01. Astro Dark: 19:08 - 05:23

Total Clouds (% Sky Obscured)

45
45
37
29
20
10
4
36
67
95
97
99
100
99
98
97
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
43
34
27
19
9
0
0
0
0
0
0
0
9
18
27
34
41
48
42
38
35
59
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
6
13
19
46
73
100
99
98
93
94
96
97
98
99
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
3
2
4
31
63
94
87
81
75
52
28
0
33
67
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
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
Sleet
Light Rain

Precipitation Probability (%)

0
1
2
0
1
1
0
0
0
0
0
0
0
1
1
0
6
9
9
13
24
39
59
79

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
0.2
0.4

Wind Speed/Direction (mph)

12
13
11
10
9
6
4
2
1
1
1
2
2
3
4
4
5
7
9
12
14
17
19
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
71
68
67
66
72
76
81
81
83
83
83
81
81
77
73
71
69
65
63
69
76
83
88

Pressure (mb)

1016
1017
1018
1018
1018
1019
1020
1020
1020
1021
1021
1021
1021
1021
1020
1019
1019
1018
1018
1017
1017
1016
1016
1015

Ozone (du)

431
424
419
413
408
405
402
399
397
395
393
388
382
377
373
370
366
365
363
362
361
360
359
359

Sunday 15

Waning Crescent 4%

07:04

14:50

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

Sun - Rise: 07:12, Set: 17:20, Transit: 12:17. Moon - Rise: 07:04, Set: 14:50. Civil Dark: 17:54 - 06:38. Nautical Dark: 18:32 - 05:59. Astro Dark: 19:10 - 05:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
96
89
86
81
79
85
93
100
99
98
97

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
95
94
89
84
72
50
45
51
47
55
64
71

Medium Clouds (% Sky Obscured)

100
100
99
98
74
56
40
45
50
55
55
55
56
58
60
64
76
87
94

High Clouds (% Sky Obscured)

100
100
100
100
97
91
83
68
50
29
44
65
79
85
93
100
75
47
25

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

95
95
95
95
95
93
64
59
55
50
44
38
28
36
43
50
67
78
85

Precipitation Amount (mm)

0.7
1.3
1.7
1.8
1.2
0.7
0.3
0.2
0.2
0
0
0
0
0
0
0
0.3
0.4
0.4

Wind Speed/Direction (mph)

20
21
21
21
21
19
17
15
13
11
11
10
9
8
9
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
98
98
98
100
98
100
100
98
98
98
96
96
94
94
94
94
93

Pressure (mb)

1014
1013
1012
1010
1009
1008
1007
1006
1006
1005
1005
1005
1005
1005
1004
1004
1003
1003
1003

Ozone (du)

359
358
356
353
350
354
357
361
363
364
365
364
363
362
362
362
363
364
366

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

Generated: 09/02/26 11:32:00. Forecast: 09/02/26 to 15/02/26. Timezone: UTC+0.00