Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 91%

23:08

06:55

07 Bad
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

Sun - Rise: 06:31, Set: 19:45, Transit: 13:09. Moon - Rise: 23:08, Set: 06:55. Civil Dark: 20:20 - 05:57. Nautical Dark: 21:01 - 05:15. Astro Dark: 21:46 - 04:30

Total Clouds (% Sky Obscured)

97
99
100
100
100
97
95
100
100
100
78
87
85
71
94
94
88
100
97
92
100
74
79
85

Low Clouds (% Sky Obscured)

71
69
70
100
78
72
95
100
100
100
77
87
84
70
83
84
68
81
65
71
91
60
66
75

Medium Clouds (% Sky Obscured)

0
0
22
24
1
3
1
3
0
2
9
1
1
6
57
84
56
74
69
49
28
20
14
12

High Clouds (% Sky Obscured)

3
5
83
99
100
79
60
4
4
5
5
9
17
54
67
53
75
34
87
14
84
64
16
52

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
2
13
7
8
5
7
6
1
3
4
14
10
1
3
20
27
5
1
3
7
18
12
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)

5
6
8
13
17
19
21
21
22
22
23
23
23
24
24
25
25
23
21
21
21
20
18
16

Chance of Frost

Temperature (°C)

7
8
9
10
12
14
14
13
12
12
12
12
11
10
10
10
10
10
9
9
8
8
7
6

Feels Like (°C)

6
5
6
6
7
9
8
7
7
6
6
5
5
2
2
2
2
2
0
-1
-1
-2
-1
-1

Dew Point (°C)

6
6
7
9
10
12
9
8
8
7
8
9
9
6
6
7
7
6
2
3
3
2
3
2

Relative Humidity (%)

94
88
90
93
87
87
71
71
73
72
76
83
85
74
78
81
81
76
58
67
73
69
75
74

Pressure (mb)

1017
1017
1017
1016
1015
1015
1014
1013
1012
1010
1010
1009
1008
1007
1007
1006
1005
1006
1006
1007
1008
1009
1010
1012

Ozone (du)

383
380
376
374
371
369
368
370
375
367
369
369
365
368
369
370
372
376
380
381
382
385
381
380

Sunday 5

Waning Gibbous 85%

00:21

07:13

07 Bad
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 OK
21 Bad
22 Good
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad

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

Total Clouds (% Sky Obscured)

65
85
94
89
95
93
100
79
83
58
99
55
62
14
61
6
50
85
28
31
29
29
78
99

Low Clouds (% Sky Obscured)

65
76
79
70
54
67
57
51
35
6
0
4
0
0
0
6
24
15
4
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
20
26
0
40
0
0
36
29
0
0
0
0
0
0
0
0
0
0
0
0
0
29
23

High Clouds (% Sky Obscured)

3
3
31
35
41
79
100
20
47
43
99
55
62
14
57
6
26
76
28
31
29
29
53
98

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
31
49
43
34
32
25
23
21
7
3
4
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.3
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
15
17
19
18
18
18
19
17
17
15
13
10
8
7
5
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
2
3
2
1
2
3
3
3
4
4
3
3
2
2
3
2
3
1
0
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

83
85
84
84
78
70
63
60
56
60
62
65
69
74
80
83
85
86
86
85
85
86
84
84

Pressure (mb)

1013
1014
1015
1016
1017
1018
1019
1020
1021
1021
1022
1023
1024
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

382
382
383
382
381
383
383
386
387
386
384
379
375
375
374
371
369
366
364
364
362
361
359
359

Monday 6

Waning Gibbous 77%

01:30

07:38

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

Sun - Rise: 06:27, Set: 19:49, Transit: 13:09. Moon - Rise: 01:30, Set: 07:38. Civil Dark: 20:23 - 05:52. Nautical Dark: 21:05 - 05:10. Astro Dark: 21:51 - 04:24

Total Clouds (% Sky Obscured)

98
97
84
73
57
65
97
100
99
75
61
16
8
6
4
1
16
18
3
3
0
6
10
17

Low Clouds (% Sky Obscured)

0
0
0
30
47
54
57
50
39
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

26
14
13
7
0
5
4
4
4
4
4
4
4
4
4
1
16
18
3
3
0
0
0
0

High Clouds (% Sky Obscured)

93
92
71
48
24
16
87
94
88
75
61
3
1
1
1
0
0
1
0
0
0
6
10
17

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
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)

4
4
7
10
12
12
13
13
12
12
12
11
10
8
8
8
8
9
9
8
8
8
9
10

Chance of Frost

Temperature (°C)

2
3
6
8
9
11
12
12
12
12
12
11
10
8
7
6
6
6
6
6
6
6
6
6

Feels Like (°C)

-1
0
2
4
5
6
7
8
8
8
8
8
7
6
5
4
4
3
3
4
4
4
3
3

Dew Point (°C)

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

Relative Humidity (%)

83
82
74
73
68
68
67
69
71
71
70
76
80
85
87
87
87
85
86
88
90
90
88
82

Pressure (mb)

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

Ozone (du)

360
362
364
365
365
366
369
369
368
365
364
362
359
359
358
356
354
354
353
352
350
350
351
351

Tuesday 7

Waning Gibbous 69%

02:29

08:13

07 OK
08 OK
09 Good
10 OK
11 OK
12 Good
13 OK
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

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

Total Clouds (% Sky Obscured)

16
22
12
22
13
10
25
51
60
59
59
48
60
77
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
1
1
2
2
1
1
1
1
0
1
1
4
7
10

Medium Clouds (% Sky Obscured)

0
0
0
0
3
0
0
5
52
2
39
30
36
43
26
26
45
66
51
36
66
89
88
93

High Clouds (% Sky Obscured)

16
20
12
16
11
8
17
24
30
22
13
14
43
72
100
100
100
100
100
100
100
100
100
98

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
13
18
1
0
0
0
0
3
2
2
6
2
16
1
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)

11
12
13
14
15
16
16
15
15
14
13
12
11
10
8
7
6
5
5
5
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
5
7
9
11
13
14
13
14
13
12
11
10
10
9
9
9
9
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

81
78
76
75
75
69
68
67
70
72
74
75
78
74
75
77
84
88
88
91
91
95
93
93

Pressure (mb)

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

Ozone (du)

349
350
352
350
349
346
345
345
347
347
347
347
345
346
346
347
347
347
347
346
346
347
349
351

Wednesday 8

Waning Gibbous 59%

03:16

09:00

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

Sun - Rise: 06:22, Set: 19:52, Transit: 13:08. Moon - Rise: 03:16, Set: 09:00. Civil Dark: 20:27 - 05:48. Nautical Dark: 21:09 - 05:05. Astro Dark: 21:56 - 04:18

Total Clouds (% Sky Obscured)

95
89
86
90
95
100
91
82
73
54
39
22
100
100
100
100
100
100
95
91
86
89
93
96

Low Clouds (% Sky Obscured)

7
4
0
0
0
2
9
19
28
19
9
0
0
0
0
5
10
15
35
55
75
67
62
52

Medium Clouds (% Sky Obscured)

88
58
50
56
55
58
54
42
33
28
39
22
92
91
90
91
88
83
74
69
70
70
64
69

High Clouds (% Sky Obscured)

83
65
62
74
86
100
85
69
47
35
28
20
100
100
100
100
100
100
83
66
52
69
87
94

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 (%)

1
4
1
4
1
0
0
0
11
1
3
6
8
10
8
9
9
7
5
3
1
11
10
5

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
2
3
4
4
4
4
5
6
6
6
6
6
8
8
9
9
9
10
10
10
10
10
11

Chance of Frost

Temperature (°C)

10
12
14
15
17
18
19
19
20
20
19
18
17
14
12
10
10
10
9
9
9
9
9
9

Feels Like (°C)

10
12
14
14
16
18
18
19
19
20
19
18
17
14
13
12
12
12
11
10
9
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

95
90
87
83
81
77
73
72
71
72
72
74
82
84
89
91
91
93
93
91
88
87
88
91

Pressure (mb)

1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1021

Ozone (du)

351
352
353
353
353
353
352
353
354
353
353
353
354
356
357
359
359
360
360
363
365
367
371
375

Thursday 9

Waning Gibbous 57%

03:51

09:59

07 Bad
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

Sun - Rise: 06:20, Set: 19:54, Transit: 13:08. Moon - Rise: 03:51, Set: 09:59. Civil Dark: 20:28 - 05:45. Nautical Dark: 21:11 - 05:02. Astro Dark: 21:58 - 04:15

Total Clouds (% Sky Obscured)

98
99
100
100
100
98
95
87
83
73
65
60
61
73
92
94
93
91
80
70
58
66
75
84

Low Clouds (% Sky Obscured)

47
41
37
38
40
41
35
28
21
13
7
3
2
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

51
31
4
3
1
0
0
0
0
3
6
7
4
1
0
2
3
5
5
2
0
1
3
4

High Clouds (% Sky Obscured)

92
93
97
95
97
98
95
87
83
73
65
60
61
73
92
91
87
83
77
68
58
66
73
84

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 (%)

3
2
0
10
13
13
16
18
20
17
13
3
3
2
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)

13
13
14
15
16
17
18
17
16
16
14
12
11
9
7
5
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
6
5
5
6
6
7
8
7
6
5
5
5
3
3
2
2
2
1
-1
-1
0
0
-0

Dew Point (°C)

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

Relative Humidity (%)

93
91
87
83
74
67
59
60
63
64
64
67
69
73
74
78
79
83
85
85
86
85
86
86

Pressure (mb)

1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1026
1026
1025
1025
1025
1025
1024
1024
1024

Ozone (du)

379
383
387
392
398
405
411
410
408
406
397
388
379
375
372
368
365
362
359
356
354
352
352
353

Friday 10

Third Quarter 50%

04:17

11:09

07 Bad
08 OK
09 OK
10 OK
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

Sun - Rise: 06:18, Set: 19:55, Transit: 13:08. Moon - Rise: 04:17, Set: 11:09. Civil Dark: 20:30 - 05:43. Nautical Dark: 21:13 - 05:00. Astro Dark: 22:01 - 04:12

Total Clouds (% Sky Obscured)

65
43
24
39
55
68
77
82
90
91
96
93
97
98
98
96
94
92

Low Clouds (% Sky Obscured)

0
0
0
10
21
31
22
13
5
17
35
58
71
85
85
80
75
75

Medium Clouds (% Sky Obscured)

4
4
4
19
34
46
52
54
60
66
71
80
82
87
92
89
81
79

High Clouds (% Sky Obscured)

63
41
19
24
29
30
10
5
0
0
4
4
3
6
8
9
8
6

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
30
52
75
90
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.8
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
78
71
65
63
60
59
59
62
62
65
68
72
78
88
96
98
96

Pressure (mb)

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

Ozone (du)

353
353
353
353
353
353
353
354
355
356
356
356
356
357
359
360
361
362

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

Generated: 04/04/26 07:11:10. Forecast: 04/04/26 to 10/04/26. Timezone: UTC+1.00