Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 20%

08:31

23:03

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
12 Bad

Sun - Rise: 07:05, Set: 17:33, Transit: 12:20. Moon - Rise: 08:31, Set: 23:03. Civil Dark: 18:07 - 06:31. Nautical Dark: 18:46 - 05:53. Astro Dark: 19:24 - 05:14

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
98
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
83
70

Low Clouds (% Sky Obscured)

91
72
88
76
82
100
84
70
74
75
81
100
100
100
100
100
100
100
76
77
75
73
58
68

Medium Clouds (% Sky Obscured)

94
97
75
99
100
100
55
47
53
50
49
82
77
99
100
99
100
100
94
100
100
76
6
0

High Clouds (% Sky Obscured)

83
98
100
98
100
100
87
73
100
100
100
100
81
100
100
100
100
100
100
100
95
100
76
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
2
3
1
2
5
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
10
48
20
16
4
14
5
0
0
6
12
53
48
42
34
45
32
39
11
7
4
1
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)

13
12
11
15
16
15
15
16
16
16
15
16
16
16
15
15
15
14
14
14
14
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
93
95
95
92
92
91
90
90
90
91
93
93
96
96
96
96
98
95
90
90
88
87
83

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

312
315
311
309
310
315
320
321
323
326
328
328
331
334
340
345
353
359
360
363
364
370
374
370

Sunday 22

Waxing Crescent 30%

08:52

00:31

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
12 Bad

Sun - Rise: 07:03, Set: 17:35, Transit: 12:20. Moon - Rise: 08:52, Set: 00:31. Civil Dark: 18:09 - 06:29. Nautical Dark: 18:47 - 05:51. Astro Dark: 19:26 - 05:12

Total Clouds (% Sky Obscured)

81
100
100
49
88
100
100
100
100
100
77
68
100
100
100
100
100
100
97
100
100
99
98
97

Low Clouds (% Sky Obscured)

61
52
58
49
53
56
64
83
65
66
66
68
79
75
70
75
71
76
86
73
68
65
68
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
36
64
81
98
68
11
0
0
0
40
42
60
60
46
90
100
99
64
79

High Clouds (% Sky Obscured)

75
100
100
49
74
97
87
100
92
59
33
47
97
86
91
100
100
32
45
99
93
44
49
22

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
4
2
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
6
19
22

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
80
81
84
88
91
91
87
84
81
82
88
90
87
85
88
87
91
90
87
84
84
81

Pressure (mb)

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

Ozone (du)

367
366
366
366
373
379
393
388
379
380
380
378
377
377
379
375
374
370
368
368
369
367
363
357

Monday 23

Waxing Crescent 41%

09:22

02:00

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
12 Bad

Sun - Rise: 07:01, Set: 17:37, Transit: 12:20. Moon - Rise: 09:22, Set: 02:00. Civil Dark: 18:10 - 06:27. Nautical Dark: 18:49 - 05:49. Astro Dark: 19:28 - 05:10

Total Clouds (% Sky Obscured)

99
100
100
93
100
100
100
100
100
95
94
100
100
94
86
91
100
93
89
85
89
93
96
93

Low Clouds (% Sky Obscured)

63
97
100
82
89
88
88
88
88
80
61
66
88
94
86
91
85
57
55
60
50
47
41
53

Medium Clouds (% Sky Obscured)

27
23
17
67
84
86
20
15
13
4
0
56
73
4
3
4
3
39
7
42
73
70
65
55

High Clouds (% Sky Obscured)

55
98
61
53
100
100
100
96
98
93
16
15
16
2
15
20
95
69
46
19
36
56
84
61

ISS Passover

Visibility (miles)

9
9
9
9
9
3
2
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
6
5
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

3
8
1
4
67
57
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
14
14
14
13
13
15
15
15
14
13
13
15
16
16
17
15
14
13
15
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
90
91
93
96
98
95
95
93
93
93
96
95
91
91
90
87
91
93
91
88
84
80

Pressure (mb)

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

Ozone (du)

353
354
352
353
352
350
351
350
348
346
347
347
346
345
344
346
348
348
348
349
350
352
354
356

Tuesday 24

First Quarter 53%

10:06

03:23

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 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: 06:59, Set: 17:38, Transit: 12:20. Moon - Rise: 10:06, Set: 03:23. Civil Dark: 18:12 - 06:25. Nautical Dark: 18:51 - 05:47. Astro Dark: 19:30 - 05:08

Total Clouds (% Sky Obscured)

88
81
80
78
77
64
42
33
28
30
33
42
45
44
52
59
64
73
83
92
86
82
75
78

Low Clouds (% Sky Obscured)

63
70
72
71
69
61
42
33
28
30
33
42
44
40
48
50
57
60
60
59
56
60
61
68

Medium Clouds (% Sky Obscured)

55
40
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
18
23
21
25
16
18

High Clouds (% Sky Obscured)

39
16
15
14
18
9
2
1
1
1
2
1
0
1
0
0
0
18
37
58
53
47
45
39

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)

16
16
16
15
15
14
13
12
10
10
9
8
8
7
6
6
6
6
6
7
7
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
79
83
87
91
93
93
93
93
93
95
96
95
96
95
95
95
95
95
90
83
79
76

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017

Ozone (du)

355
355
356
357
359
359
362
364
364
363
365
367
367
367
365
363
362
361
361
364
365
367
366
364

Wednesday 25

Waxing Gibbous 65%

11:09

04:31

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
12 Bad

Sun - Rise: 06:57, Set: 17:40, Transit: 12:19. Moon - Rise: 11:09, Set: 04:31. Civil Dark: 18:14 - 06:23. Nautical Dark: 18:53 - 05:44. Astro Dark: 19:31 - 05:06

Total Clouds (% Sky Obscured)

81
93
87
80
72
80
86
96
97
94
95
91
81
72
80
88
95
94
97
98
98
99
100
99

Low Clouds (% Sky Obscured)

70
81
75
67
53
62
68
74
68
62
55
61
67
69
78
85
91
80
69
57
69
80
91
89

Medium Clouds (% Sky Obscured)

15
12
15
17
42
50
41
49
51
50
53
27
10
0
1
2
2
2
1
1
15
31
50
43

High Clouds (% Sky Obscured)

33
41
37
32
14
20
41
64
55
67
80
50
25
0
0
0
0
8
20
40
71
81
82
87

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
2
0
3
7
0
1
4
1
7
11
4
6
2
0
2
5
9
11

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
8
8
8
8
8
8
8
9
9
9
9
9
10
10
11
11
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
70
73
80
89
91
95
95
95
93
95
95
95
95
95
96
96
95
93
91
90
87
87
85

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

363
366
366
366
368
370
374
380
387
393
401
408
417
426
436
421
405
390
383
375
368
365
362
360

Thursday 26

Waxing Gibbous 76%

12:27

05:20

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
12 Bad

Sun - Rise: 06:55, Set: 17:42, Transit: 12:19. Moon - Rise: 12:27, Set: 05:20. Civil Dark: 18:16 - 06:21. Nautical Dark: 18:54 - 05:42. Astro Dark: 19:33 - 05:04

Total Clouds (% Sky Obscured)

99
98
100
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)

85
80
77
78
77
80
83
87
90
92
94
91
89
86
85
86
87
91
94
98
96
95
93
96

Medium Clouds (% Sky Obscured)

33
25
41
59
77
78
82
86
90
94
98
99
99
99
91
82
74
63
53
42
43
47
52
45

High Clouds (% Sky Obscured)

91
91
94
97
100
100
100
100
100
100
100
99
97
96
97
98
98
98
99
100
92
83
75
81

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

14
17
15
14
8
18
25
41
63
72
82
73
49
14
22
27
37
56
70
83
81
80
82
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.4
0
0
0
0
0
0.2
0.4
0.5
0.5
0.5
0.5
0.4

Wind Speed/Direction (mph)

16
16
16
17
16
16
16
16
16
16
15
15
14
12
11
11
11
11
11
11
11
12
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
84
84
84
83
87
88
91
91
95
95
95
93
95
95
95
96
93
91
90
84
78
73

Pressure (mb)

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

Ozone (du)

359
359
359
357
355
352
348
344
340
340
339
339
338
337
336
337
339
341
342
343
344
346
347
349

Friday 27

Waxing Gibbous 85%

No Rise

05:54

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK

Sun - Rise: 06:52, Set: 17:44, Transit: 12:19. Moon - Rise: No Rise, Set: 05:54. Civil Dark: 18:17 - 06:19. Nautical Dark: 18:56 - 05:40. Astro Dark: 19:35 - 05:01

Total Clouds (% Sky Obscured)

100
100
98
97
96
88
81
66
59
55
52
43
31
21
17
15
13

Low Clouds (% Sky Obscured)

98
100
94
89
79
70
61
53
53
55
52
43
31
21
17
15
13

Medium Clouds (% Sky Obscured)

42
36
28
25
17
10
4
3
3
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

88
99
98
94
69
46
21
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

Fog (%)

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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

81
87
77
73
74
53
32
6
6
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.6
0.4
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
15
11
11
15
14
12
11
10
10
10
10
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
73
75
79
83
86
89
96
94
94
96
96
94
94
93
93

Pressure (mb)

1014
1013
1013
1013
1014
1014
1015
1016
1017
1018
1019
1020
1020
1021
1022
1022
1023

Ozone (du)

353
357
361
371
381
391
395
399
403
400
397
394
390
385
380
378
376

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 21/02/26 13:17:07. Forecast: 21/02/26 to 27/02/26. Timezone: UTC+0.00