Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 3

Waning Gibbous 96%

21:52

06:55

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
13 Bad
14 Bad

Sun - Rise: 06:34, Set: 19:44, Transit: 13:09. Moon - Rise: 21:52, Set: 06:55. Civil Dark: 20:18 - 05:59. Nautical Dark: 20:59 - 05:18. Astro Dark: 21:44 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
80
89
87
69
100
96
100
87
96
92
100
100
100
100
95
93
96

Low Clouds (% Sky Obscured)

59
63
77
70
60
53
50
48
53
56
55
60
92
100
58
94
83
84
91
71
68
92
93
96

Medium Clouds (% Sky Obscured)

62
84
21
7
13
0
26
26
11
42
34
63
79
91
65
65
45
22
15
15
4
2
2
0

High Clouds (% Sky Obscured)

99
100
100
100
100
98
85
80
79
83
54
100
32
3
0
0
53
96
100
100
98
81
14
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
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 (%)

17
13
0
5
2
5
6
7
4
0
0
0
0
1
0
1
15
5
6
4
7
3
1
3

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)

22
21
23
24
21
20
17
15
13
11
9
8
7
6
6
6
5
8
12
17
18
20
21
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
10
10
10
8
7
7
7
7
7
7
7
6
6
7
6
8
9
10
10
8
7
8

Relative Humidity (%)

95
90
84
87
91
87
87
88
88
94
98
96
98
96
94
94
91
95
95
89
84
72
70
70

Pressure (mb)

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

Ozone (du)

382
381
379
377
378
376
375
375
374
375
376
375
377
378
380
381
381
380
379
377
374
374
372
373

Saturday 4

Waning Gibbous 91%

23:08

07:13

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
13 Bad
14 Bad

Sun - Rise: 06:31, Set: 19:45, Transit: 13:09. Moon - Rise: 23:08, Set: 07:13. Civil Dark: 20:20 - 05:57. Nautical Dark: 21:01 - 05:15. Astro Dark: 21:46 - 04:30

Total Clouds (% Sky Obscured)

95
95
81
80
91
82
93
86
97
71
89
100
100
100
100
90
86
82
86
77
43
93
85
86

Low Clouds (% Sky Obscured)

95
95
81
80
84
72
87
72
72
71
68
67
70
65
63
71
65
71
74
64
43
40
33
28

Medium Clouds (% Sky Obscured)

0
0
40
0
17
31
74
54
57
19
18
38
96
64
64
43
22
16
22
19
0
0
43
42

High Clouds (% Sky Obscured)

0
55
7
4
8
53
55
40
50
15
48
93
98
84
95
60
21
10
1
0
2
76
1
2

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
8
8
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 (%)

6
8
7
12
4
1
2
14
38
6
3
0
0
0
1
13
1
14
25
36
43
49
44
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
0.2
0

Wind Speed/Direction (mph)

22
23
25
25
25
26
26
26
27
25
23
22
20
19
15
12
11
12
13
14
14
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
73
80
84
78
77
81
81
76
58
63
73
72
72
75
85
82
72
73
70
67
68
66

Pressure (mb)

1011
1010
1009
1008
1007
1006
1006
1005
1005
1005
1006
1007
1008
1009
1011
1012
1013
1014
1016
1017
1018
1018
1019
1020

Ozone (du)

374
368
369
369
367
367
368
370
373
375
378
379
382
383
380
381
383
386
387
388
386
385
385
387

Sunday 5

Waning Gibbous 85%

00:21

07:38

15 Bad
16 Bad
17 Good
18 OK
19 Good
20 Good
21 OK
22 OK
23 Bad
00 OK
01 OK
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

Sun - Rise: 06:29, Set: 19:47, Transit: 13:09. Moon - Rise: 00:21, Set: 07:38. Civil Dark: 20:21 - 05:55. Nautical Dark: 21:03 - 05:13. Astro Dark: 21:49 - 04:27

Total Clouds (% Sky Obscured)

84
100
2
29
0
0
26
32
41
10
30
64
84
96
100
97
100
81
100
97
75
49
67
64

Low Clouds (% Sky Obscured)

0
47
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
12
13
19
19
8
6
6

Medium Clouds (% Sky Obscured)

46
0
0
0
0
0
0
0
0
0
0
0
0
13
10
13
20
11
13
13
19
3
1
7

High Clouds (% Sky Obscured)

5
87
2
29
0
0
26
30
41
10
15
44
72
76
100
79
100
35
100
92
50
40
60
59

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
4
2
4
0
0
0
0
0
1
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)

18
18
18
16
13
10
8
7
5
4
4
4
4
4
4
4
4
4
7
10
12
13
14
13

Chance of Frost

Temperature (°C)

10
10
9
9
8
6
5
5
4
4
4
3
3
3
3
3
3
4
7
8
9
11
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
58
62
64
68
74
83
86
88
88
88
89
89
89
89
89
86
83
74
70
69
65
62
60

Pressure (mb)

1020
1021
1022
1023
1023
1024
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1025
1025

Ozone (du)

390
388
387
383
381
377
376
374
372
368
367
365
364
364
362
362
363
365
366
365
364
363
363
363

Monday 6

Waning Gibbous 77%

01:30

08:13

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

Sun - Rise: 06:27, Set: 19:49, Transit: 13:09. Moon - Rise: 01:30, Set: 08:13. Civil Dark: 20:23 - 05:52. Nautical Dark: 21:05 - 05:10. Astro Dark: 21:51 - 04:24

Total Clouds (% Sky Obscured)

68
80
77
77
71
56
35
32
27
25
23
23
32
23
45
38
3
3
2
1
1
0
9
18

Low Clouds (% Sky Obscured)

3
2
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
53
43
27
20
28
27
25
23
10
0
0
0
0
0
0
0
0
0
0
5
7

High Clouds (% Sky Obscured)

68
78
74
67
56
39
22
18
13
15
2
3
3
2
4
11
1
1
1
1
1
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
1
14
15
3

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
13
12
11
11
9
9
8
8
8
9
8
8
8
8
8
8
10
12
15
16
17
18
17

Chance of Frost

Temperature (°C)

12
12
11
11
9
8
7
6
6
6
6
6
6
6
6
6
6
8
9
11
13
15
17
18

Feels Like (°C)

8
9
7
7
6
4
3
3
3
3
3
3
4
3
3
3
2
5
6
7
9
11
13
14

Dew Point (°C)

5
5
5
6
5
5
4
3
3
3
3
3
3
4
3
4
4
4
5
6
8
9
11
12

Relative Humidity (%)

62
63
65
72
76
79
82
81
78
76
76
79
81
82
82
85
86
79
74
71
69
66
68
68

Pressure (mb)

1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1015
1015

Ozone (du)

362
360
358
357
356
355
354
354
353
352
350
349
349
349
348
347
347
347
348
349
349
349
349
351

Tuesday 7

Waning Gibbous 69%

02:29

09:00

15 OK
16 OK
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 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK

Sun - Rise: 06:25, Set: 19:50, Transit: 13:08. Moon - Rise: 02:29, Set: 09:00. Civil Dark: 20:25 - 05:50. Nautical Dark: 21:07 - 05:08. Astro Dark: 21:53 - 04:21

Total Clouds (% Sky Obscured)

27
34
52
62
74
86
98
99
99
100
97
95
92
66
44
20
71
60
56
40
36
35
35
35

Low Clouds (% Sky Obscured)

1
1
0
0
0
1
1
5
0
0
0
0
0
5
10
15
14
19
25
28
31
35
35
35

Medium Clouds (% Sky Obscured)

8
13
27
62
69
71
73
65
62
25
33
35
41
44
44
20
71
60
56
40
36
20
14
9

High Clouds (% Sky Obscured)

0
0
15
15
42
69
97
98
99
100
94
89
81
60
40
20
58
37
29
18
14
10
10
10

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
4
29
39
50
59
48
39
43
3
1
2
1
0
0
0
0
0
8
6
2
10
15

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
16
16
15
14
13
11
10
8
7
5
4
4
3
2
3
3
4
5
8
8
7
7
7

Chance of Frost

Temperature (°C)

18
18
18
17
16
15
14
14
13
13
12
11
11
10
10
10
10
11
13
15
16
17
19
19

Feels Like (°C)

15
16
15
13
12
11
11
10
10
11
10
10
9
9
9
9
9
9
10
12
12
13
13
19

Dew Point (°C)

12
13
13
13
13
12
11
12
12
12
11
11
10
10
9
10
10
11
12
13
14
14
15
15

Relative Humidity (%)

69
72
74
78
81
82
82
89
93
93
96
96
95
95
95
96
96
95
92
89
86
82
78
81

Pressure (mb)

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

Ozone (du)

352
353
353
352
349
348
349
352
355
356
357
358
357
357
359
360
360
359
359
358
358
359
359
361

Wednesday 8

Waning Gibbous 59%

03:16

09:59

15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
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

Sun - Rise: 06:22, Set: 19:52, Transit: 13:08. Moon - Rise: 03:16, Set: 09:59. Civil Dark: 20:27 - 05:48. Nautical Dark: 21:09 - 05:05. Astro Dark: 21:56 - 04:18

Total Clouds (% Sky Obscured)

35
23
12
0
1
3
4
20
36
55
71
88
100
100
100
100
91
87
74
76
82
100
99
99

Low Clouds (% Sky Obscured)

35
23
12
0
1
3
4
20
28
27
36
38
40
29
20
15
27
37
45
48
59
71
60
48

Medium Clouds (% Sky Obscured)

6
6
5
0
1
3
4
6
7
8
7
6
5
22
38
57
52
47
38
55
71
88
58
34

High Clouds (% Sky Obscured)

15
23
12
0
1
3
4
20
36
52
68
84
100
100
100
97
67
47
27
39
52
66
71
80

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 (%)

20
19
22
22
21
20
14
11
7
0
0
0
0
3
2
2
29
45
49
42
35
30
28
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
7
7
7
7
7
7
7
7
7
8
8
8
7
6
6
6
7
9
10
11
14
12

Chance of Frost

Temperature (°C)

18
18
17
16
15
14
13
12
11
10
9
9
9
9
8
7
6
7
7
8
9
10
10
10

Feels Like (°C)

19
18
18
18
17
13
13
12
12
12
12
8
7
7
6
6
6
3
3
5
5
6
6
7

Dew Point (°C)

16
16
16
15
14
13
12
11
10
10
9
8
8
8
7
6
5
6
7
8
7
7
7
7

Relative Humidity (%)

85
88
90
93
95
95
95
95
95
96
96
95
95
93
93
94
94
96
94
96
90
85
81
80

Pressure (mb)

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

Ozone (du)

362
363
365
366
368
372
375
379
379
379
379
378
378
378
378
379
379
380
381
383
387
392
396
401

Thursday 9

Waning Gibbous 50%

03:51

11:09

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: 06:20, Set: 19:54, Transit: 13:08. Moon - Rise: 03:51, Set: 11:09. Civil Dark: 20:28 - 05:45. Nautical Dark: 21:11 - 05:02. Astro Dark: 21:58 - 04:15

Total Clouds (% Sky Obscured)

99
98
94
87
83
85
87
92
96
100
96
94
96
96
99
98
99
98
96
96
96
96

Low Clouds (% Sky Obscured)

37
24
12
0
2
2
1
6
12
17
23
26
31
31
28
22
13
6
7
9
11
10

Medium Clouds (% Sky Obscured)

9
11
14
12
8
4
0
0
0
0
0
0
0
0
0
0
1
3
4
6
11
12

High Clouds (% Sky Obscured)

90
90
90
75
75
79
86
90
95
100
79
55
28
26
27
24
18
16
15
20
25
30

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

Fog (%)

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

Precipitation Probability (%)

38
32
17
15
15
9
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

Wind Speed/Direction (mph)

11
10
9
8
7
5
4
3
3
3
3
3
3
4
4
5
6
7
9
11
12
13

Chance of Frost

Temperature (°C)

11
11
11
10
10
8
7
6
5
5
5
4
4
4
4
4
4
6
8
9
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
76
77
77
79
84
86
86
86
85
86
86
88
86
86
86
81
75
72
67
62

Pressure (mb)

1022
1022
1022
1022
1022
1022
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019
1019
1019
1018
1018
1017

Ozone (du)

405
409
405
401
397
394
391
388
385
382
379
375
371
366
364
362
360
359
358
356
357
357

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

Generated: 03/04/26 15:55:55. Forecast: 03/04/26 to 09/04/26. Timezone: UTC+1.00