Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 2

Waxing Gibbous 100%

16:46

06:34

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

Sun - Rise: 06:48, Set: 17:49, Transit: 12:19. Moon - Rise: 16:46, Set: 06:34. Civil Dark: 18:23 - 06:15. Nautical Dark: 19:01 - 05:36. Astro Dark: 19:40 - 04:55

Total Clouds (% Sky Obscured)

63
69
78
100
98
60
29
28
32
29
58
32
28
10
19
24
15
9
42
49
51
95
100
100

Low Clouds (% Sky Obscured)

44
47
43
60
48
51
27
28
32
29
58
32
28
10
17
7
14
0
35
46
48
63
73
85

Medium Clouds (% Sky Obscured)

27
11
6
3
0
0
0
0
0
0
0
0
0
0
7
17
1
1
2
3
6
45
26
98

High Clouds (% Sky Obscured)

63
69
78
100
95
60
29
28
4
17
10
3
3
5
3
6
6
4
3
0
0
0
40
97

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
5
2

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
11
12
14
14
14
15
15
15
15
13
12
11
8
7
6
6
5
3
2
1
1
1
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
4
5
6
8
8
10
10
10
10
8
8
8
7
8
6
6
6
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

87
90
90
90
88
84
80
77
76
74
77
81
87
93
93
95
95
95
94
93
91
90
90
91

Pressure (mb)

1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1014
1015
1016
1017
1018
1018
1019
1019
1020
1020
1020
1021

Ozone (du)

376
376
377
378
380
381
381
381
382
384
386
386
384
384
386
388
388
390
391
390
390
389
389
387

Tuesday 3

Full Moon 100%

18:07

06:47

05 Bad
06 Bad
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

Sun - Rise: 06:46, Set: 17:51, Transit: 12:18. Moon - Rise: 18:07, Set: 06:47. Civil Dark: 18:24 - 06:13. Nautical Dark: 19:03 - 05:34. Astro Dark: 19:42 - 04:53

Total Clouds (% Sky Obscured)

100
99
100
100
100
92
100
92
97
95
100
100
100
100
100
100
98
97
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
86
82
77
81
82
100
86
85
84
77
65
64
61
63
60
63
72
74
77
82
98
100
100

Medium Clouds (% Sky Obscured)

99
86
92
100
100
67
70
75
61
77
57
52
92
100
100
90
62
54
54
64
57
57
43
43

High Clouds (% Sky Obscured)

90
81
99
100
63
52
30
28
74
14
93
100
100
97
100
99
39
2
1
91
91
86
86
82

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
11
13
11
16
15
1
0
1
0
0
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
85
78
81
84
85
82
78
76
76
80
84
87
88
88
90
90
93
94
98
98
98
96
98

Pressure (mb)

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

Ozone (du)

384
382
382
383
384
386
388
389
392
394
395
396
395
397
402
407
409
411
412
412
412
410
409
410

Wednesday 4

Waning Gibbous 97%

19:24

06:59

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

Sun - Rise: 06:44, Set: 17:53, Transit: 12:18. Moon - Rise: 19:24, Set: 06:59. Civil Dark: 18:26 - 06:10. Nautical Dark: 19:05 - 05:32. Astro Dark: 19:44 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
95
91
72
57
52
40
25
12
8
11
17
22
17
20
17
12
7
10
12

Low Clouds (% Sky Obscured)

100
100
100
89
80
39
36
36
37
28
29
22
12
8
11
17
18
15
18
15
11
7
10
12

Medium Clouds (% Sky Obscured)

17
38
29
29
24
20
20
20
15
19
14
5
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
82
87
86
86
86
86
72
22
52
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
9
9

Fog (%)

22
100
100
100
100
13
1
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
1
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)

6
6
6
6
7
9
10
10
10
11
11
10
9
7
7
7
7
6
7
7
7
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
94
88
82
77
72
70
69
72
79
84
93
93
93
91
90
87
88
88
91
93
94

Pressure (mb)

1025
1025
1025
1025
1025
1025
1024
1023
1023
1022
1021
1021
1020
1020
1020
1020
1020
1019
1019
1018
1017
1017
1016
1016

Ozone (du)

409
406
403
402
402
403
403
406
405
404
403
400
398
397
396
396
397
397
396
396
396
395
395
395

Thursday 5

Waning Gibbous 93%

20:40

07:09

05 OK
06 Bad
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 OK
02 Good
03 Good
04 Good

Sun - Rise: 06:42, Set: 17:54, Transit: 12:18. Moon - Rise: 20:40, Set: 07:09. Civil Dark: 18:28 - 06:08. Nautical Dark: 19:06 - 05:30. Astro Dark: 19:46 - 04:48

Total Clouds (% Sky Obscured)

17
48
70
51
61
69
75
68
60
57
53
60
80
100
100
100
94
87
80
55
30
4
10
8

Low Clouds (% Sky Obscured)

17
34
39
40
46
51
56
61
60
57
53
60
76
52
63
50
42
31
15
10
10
4
10
5

Medium Clouds (% Sky Obscured)

0
6
12
18
27
29
35
29
27
22
36
44
65
65
60
71
53
66
38
49
13
4
10
8

High Clouds (% Sky Obscured)

0
5
11
16
41
65
75
64
39
12
27
43
56
78
89
100
90
79
66
46
18
0
9
2

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
23
44
65
69
61
42
45
47
36
34
25
17
1
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
8
9
10
11
11
10
10
9
7
6
5
4
4
3
1
1
-2
-1
-1
-2

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
90
87
81
79
76
74
72
76
80
85
93
94
96
96
94
88
91
91
89
85
86

Pressure (mb)

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

Ozone (du)

395
395
395
395
393
391
390
392
394
393
390
385
383
382
383
382
383
384
384
383
386
386
384
383

Friday 6

Waning Gibbous 87%

21:56

07:21

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

Sun - Rise: 06:39, Set: 17:56, Transit: 12:18. Moon - Rise: 21:56, Set: 07:21. Civil Dark: 18:29 - 06:06. Nautical Dark: 19:08 - 05:27. Astro Dark: 19:47 - 04:46

Total Clouds (% Sky Obscured)

15
15
15
15
5
5
5
6
7
8
9
15
21
47
63
71
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

7
8
9
1
0
0
0
1
2
3
9
15
21
47
63
71
95
100
100
100
100
95
95
100

Medium Clouds (% Sky Obscured)

15
15
15
15
3
3
5
6
5
2
1
0
0
5
5
5
5
10
15
24
30
30
28
31

High Clouds (% Sky Obscured)

15
15
15
15
5
5
5
6
7
8
9
2
2
4
1
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
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
16
13
14
16
18
3
14
20
38
42
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)

7
7
7
8
8
8
9
8
8
8
7
5
3
3
7
7
8
8
8
8
8
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
86
83
77
70
64
60
54
51
51
57
66
67
72
79
85
83
83
83
85
86
86
89

Pressure (mb)

1024
1025
1026
1027
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027

Ozone (du)

381
380
380
380
378
377
377
377
379
379
380
383
388
396
396
395
395
394
392
391
388
386
383
382

Saturday 7

Waning Gibbous 79%

23:11

07:33

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

Sun - Rise: 06:37, Set: 17:58, Transit: 12:17. Moon - Rise: 23:11, Set: 07:33. Civil Dark: 18:31 - 06:04. Nautical Dark: 19:10 - 05:25. Astro Dark: 19:49 - 04:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
95
91
77
73
64
59
58
43
32
40
56
81
86
86
87
91
89
83

Low Clouds (% Sky Obscured)

95
95
90
85
70
65
60
52
53
54
59
59
58
43
32
40
56
81
86
86
87
91
89
83

Medium Clouds (% Sky Obscured)

25
22
13
13
14
14
15
19
22
32
18
16
12
6
2
0
0
0
0
0
0
0
1
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
2
1
2
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

Very Light Rain
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 (%)

52
44
43
36
30
28
11
34
40
17
35
29
6
6
4
1
19
12
4
5
5
5
5
3

Precipitation Amount (mm)

0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
3
2
2
3
3
3
9
9
8
9
9
9
4
5
5
5
5
5
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
88
85
82
77
73
72
71
71
76
81
90
88
90
89
88
86
83
82
80
79
76

Pressure (mb)

1027
1027
1027
1028
1028
1027
1027
1027
1026
1026
1026
1026
1025
1025
1025
1026
1026
1025
1025
1025
1025
1024
1024
1024

Ozone (du)

381
380
378
377
375
375
375
375
377
379
381
382
384
385
383
381
379
377
376
374
373
372
371
371

Sunday 8

Waning Gibbous 71%

00:26

07:49

Sun - Rise: 06:35, Set: 18:00, Transit: 12:17. Moon - Rise: 00:26, Set: 07:49. Civil Dark: 18:33 - 06:02. Nautical Dark: 19:12 - 05:23. Astro Dark: 19:51 - 04:41

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 02/03/26 04:50:33. Forecast: 02/03/26 to 08/03/26. Timezone: UTC+0.00