Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 7

Waning Gibbous 69%

02:29

09:00

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

Sun - Rise: 06:25, Set: 19:50, Transit: 13:09. 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)

1
8
0
0
7
89
100
100
68
80
89
58
16
0
0
0
5
17
22
36
27
6
1
2

Low Clouds (% Sky Obscured)

0
0
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)

0
0
0
0
5
0
0
27
44
63
76
47
12
0
0
0
0
5
15
24
23
5
1
2

High Clouds (% Sky Obscured)

1
2
0
0
7
89
100
100
68
7
13
5
16
0
0
0
5
17
13
36
15
6
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
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)

9
12
14
15
16
16
16
15
14
13
12
11
11
10
9
7
6
6
5
4
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
11
12
14
15
16
15
15
14
15
12
12
10
10
10
10
9
8
10
8
9
9
11

Dew Point (°C)

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

Relative Humidity (%)

72
67
64
61
60
60
64
66
70
72
77
80
82
80
83
86
84
84
84
85
87
88
88
84

Pressure (mb)

1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023

Ozone (du)

360
359
354
351
350
348
346
346
347
347
347
348
349
350
350
349
349
348
350
350
349
347
345
345

Wednesday 8

Waning Gibbous 59%

03:16

09:00

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

1
0
0
0
4
27
38
0
2
0
0
0
0
0
0
0
0
26
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
4
27
38
0
0
0
0
0
0
0
0
0
0
0
0
54
75
74
61
78

Medium Clouds (% Sky Obscured)

1
0
0
0
4
2
0
0
0
0
0
0
0
0
0
0
0
0
8
23
51
60
50
25

High Clouds (% Sky Obscured)

1
0
0
0
4
27
38
0
2
0
0
0
0
0
0
0
0
26
89
97
81
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
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
16
28
39
48
59
73
100
100

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
3
0
11
2
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)

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

Chance of Frost

Temperature (°C)

13
15
17
19
20
21
21
21
21
20
19
17
15
14
14
13
12
12
11
11
11
10
10
11

Feels Like (°C)

14
16
17
19
20
21
22
21
21
21
20
19
17
16
15
13
12
11
10
10
9
8
8
9

Dew Point (°C)

10
11
13
13
15
16
16
16
17
17
17
15
14
13
12
11
10
10
9
9
9
9
9
10

Relative Humidity (%)

80
77
74
71
71
70
72
70
79
82
88
90
90
92
90
89
86
87
87
90
91
93
93
91

Pressure (mb)

1023
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019

Ozone (du)

344
343
342
342
345
347
346
348
348
349
351
354
355
356
358
358
355
353
353
353
353
355
356
359

Thursday 9

Waning Gibbous 50%

03:51

09:59

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
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

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)

100
100
100
100
100
100
58
59
62
50
35
51
50
55
68
79
76
100
100
100
94
96
91
87

Low Clouds (% Sky Obscured)

74
55
75
100
100
46
58
59
60
42
5
2
0
0
0
0
2
4
0
2
2
10
17
16

Medium Clouds (% Sky Obscured)

36
92
78
25
30
4
0
0
0
0
0
0
4
54
32
10
59
18
87
100
84
96
81
76

High Clouds (% Sky Obscured)

100
100
100
100
100
100
15
15
15
15
15
25
15
15
42
56
52
100
100
90
77
77
50
25

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 (%)

15
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
5
18
13
1
1
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)

10
12
16
15
18
18
19
18
19
17
15
12
9
8
7
5
5
4
4
3
3
3
2
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
8
8
9
8
9
7
6
5
4
3
3
2
1
0
-1
-1
-1
-1
-2
-2
-2
-1

Relative Humidity (%)

86
79
75
72
77
80
81
72
68
69
72
74
79
79
73
73
73
73
72
71
68
68
69
67

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1021
1022
1023
1024
1024
1024
1025
1025
1024
1024
1024
1023
1023
1023

Ozone (du)

359
360
360
366
369
366
369
371
370
369
368
367
364
363
362
359
355
352
350
350
351
350
351
351

Friday 10

Third Quarter 39%

04:17

11:09

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 OK
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 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)

81
92
96
100
100
100
100
100
100
99
70
43
28
32
35
73
91
93
77
65
36
11
30
44

Low Clouds (% Sky Obscured)

15
10
34
31
38
37
42
36
29
22
14
7
0
13
25
36
44
50
62
47
28
9
25
39

Medium Clouds (% Sky Obscured)

73
31
63
97
100
100
100
53
33
27
24
19
17
30
35
57
78
47
48
34
18
3
30
44

High Clouds (% Sky Obscured)

3
43
69
99
97
100
100
100
100
99
70
43
21
14
7
7
9
15
4
21
1
1
10
10

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
1
2
20
34
42
33
22
2
2
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)

6
8
10
11
13
13
14
15
16
15
14
14
14
13
12
12
13
13
12
11
11
10
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
61
58
57
58
59
59
65
67
68
73
77
81
79
84
85
81
78
81
85
90
91
93
90

Pressure (mb)

1023
1023
1022
1021
1020
1019
1018
1016
1015
1014
1014
1013
1012
1011
1011
1010
1009
1008
1008
1008
1007
1007
1007
1007

Ozone (du)

350
348
347
345
344
344
342
343
344
347
346
348
347
349
349
347
348
350
353
356
359
360
358
357

Saturday 11

Waning Crescent 30%

04:36

12:24

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
08 Bad

Sun - Rise: 06:16, Set: 19:57, Transit: 13:08. Moon - Rise: 04:36, Set: 12:24. Civil Dark: 20:32 - 05:41. Nautical Dark: 21:15 - 04:57. Astro Dark: 22:03 - 04:09

Total Clouds (% Sky Obscured)

59
67
73
80
87
93
100
92
84
77
71
65
59
50
46
39
37
37
38
53
69
84
88
91

Low Clouds (% Sky Obscured)

52
62
59
59
46
32
20
23
27
38
42
49
56
48
39
31
33
36
38
46
55
64
65
66

Medium Clouds (% Sky Obscured)

59
67
64
73
71
85
100
91
67
74
48
48
35
37
36
39
37
37
38
53
69
84
88
91

High Clouds (% Sky Obscured)

5
10
15
15
15
15
30
30
25
30
35
35
7
20
19
20
25
25
35
53
69
70
71
63

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
3
9
2
0
1
9
4
9
2
9
8
6
4
6
8
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
Very Light Rain
None
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

2
14
21
36
41
42
42
45
38
49
64
53
95
56
87
70
62
52
42
39
41
50
51
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0.9
0.2
0.9
0.6
0.3
0.2
0
0
0
0.2
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
82
83
83
85
87
96
95
98
96
96
96
96
96
98
96
96
96
96
94
96
94
94

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011

Ozone (du)

357
357
356
354
351
349
350
351
353
357
358
360
364
368
370
368
369
370
370
371
371
370
370
369

Sunday 12

Waning Crescent 30%

04:51

13:43

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
08 Bad

Sun - Rise: 06:14, Set: 19:59, Transit: 13:07. Moon - Rise: 04:51, Set: 13:43. Civil Dark: 20:34 - 05:38. Nautical Dark: 21:17 - 04:55. Astro Dark: 22:06 - 04:06

Total Clouds (% Sky Obscured)

94
94
93
92
88
83
79
84
90
97
98
99
100
99
97
96
98
98
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

68
62
57
54
58
64
70
67
61
57
53
51
49
60
69
78
80
83
86
83
80
78
85
93

Medium Clouds (% Sky Obscured)

94
94
93
92
88
83
79
84
90
97
98
99
100
91
82
73
58
47
43
32
25
19
18
17

High Clouds (% Sky Obscured)

52
29
25
28
21
13
10
13
16
20
46
72
100
69
36
4
34
65
95
91
92
83
76
69

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 (%)

31
43
44
42
41
40
39
38
36
37
31
25
22
27
31
33
28
23
16
15
14
7
24
44

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
13
13
13
13
12
12
12
10
9
8
6
5
5
5
5
6
6
7
7
7
8
9
10

Chance of Frost

Temperature (°C)

6
7
8
8
9
9
10
10
9
9
8
7
7
6
6
6
6
6
6
5
5
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
90
87
84
81
81
78
81
85
88
91
93
96
94
94
94
94
94
94
93
93
93
91

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1009
1009
1008

Ozone (du)

369
368
370
371
372
372
372
372
371
370
369
371
372
374
376
378
380
381
381
381
383
385
387
388

Monday 13

Waning Crescent 20%

05:04

15:02

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

Sun - Rise: 06:11, Set: 20:00, Transit: 13:07. Moon - Rise: 05:04, Set: 15:02. Civil Dark: 20:36 - 05:36. Nautical Dark: 21:19 - 04:52. Astro Dark: 22:08 - 04:03

Total Clouds (% Sky Obscured)

100
93
86
80
80
81
82
69
56
43
32
20
8
11
13
16
30
41
49
41
37
33

Low Clouds (% Sky Obscured)

100
88
75
63
66
68
71
63
54
43
30
18
7
11
13
16
30
41
49
41
37
33

Medium Clouds (% Sky Obscured)

15
12
12
10
12
15
17
10
6
1
1
1
0
0
0
0
4
10
21
14
7
0

High Clouds (% Sky Obscured)

62
41
21
0
0
0
0
0
0
0
0
0
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
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

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

Precipitation Probability (%)

64
79
80
68
54
46
46
40
34
32
26
17
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
10
10
12
13
14
15
14
12
11
9
7
6
6
5
6
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
85
79
73
68
65
62
60
64
67
71
76
82
88
89
89
91
89
89
89
89
89

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1009
1010
1010
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015

Ozone (du)

390
391
395
399
403
406
409
411
414
416
418
422
427
431
433
436
438
441
444
447
450
453

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

Generated: 07/04/26 09:40:02. Forecast: 07/04/26 to 13/04/26. Timezone: UTC+1.00