Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 1

Waning Gibbous 97%

23:02

05:41

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
15 Bad
16 Bad

Sun - Rise: 04:51, Set: 21:11, Transit: 13:02. Moon - Rise: 23:02, Set: 05:41. Civil Dark: 21:57 - 04:05. Nautical Dark: 23:04 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
100
100
100
95
79
81
72
83
94

Low Clouds (% Sky Obscured)

89
89
86
83
73
79
81
75
83
84
73
84
68
72
83
60
61
70
65
59
62
68
66
47

Medium Clouds (% Sky Obscured)

36
92
98
100
100
97
93
96
100
100
100
73
98
23
83
13
9
10
9
14
19
4
25
38

High Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
100
51
100
57
100
56
50
34
0
4
3
20
0

ISS Passover

Visibility (miles)

9
9
9
3
2
1
2
3
1
0
1
9
9
9
9
4
7
7
9
6
6
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
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

94
95
95
89
95
95
95
95
95
95
95
32
17
26
68
76
63
51
61
68
62
47
37
37

Precipitation Amount (mm)

0
0
0.4
0.4
2.2
2.6
0.8
2.4
1.6
2.4
1.5
0
0
0
0.4
0.6
0.3
0
0.3
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

15
13
12
10
10
12
10
12
13
12
11
6
9
9
9
10
12
13
13
14
13
12
13
13

Chance of Frost

Temperature (°C)

17
17
17
16
16
16
15
15
15
15
15
15
15
15
15
15
16
17
18
18
18
19
20
20

Feels Like (°C)

14
14
15
14
14
13
14
13
13
12
13
14
12
13
13
13
13
14
15
15
15
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

81
83
86
92
98
98
98
96
98
98
96
96
95
96
95
92
89
81
72
70
75
65
62
65

Pressure (mb)

1012
1011
1010
1009
1009
1008
1007
1007
1006
1005
1004
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1003
1003
1003

Ozone (du)

347
348
348
349
350
354
358
361
363
370
374
380
382
383
387
390
395
396
397
401
400
400
400
401

Tuesday 2

Waning Gibbous 93%

23:45

06:44

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 04:50, Set: 21:12, Transit: 13:02. Moon - Rise: 23:45, Set: 06:44. Civil Dark: 21:58 - 04:04. Nautical Dark: 23:06 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
23
22
41
41
32
29
42
51
50
53
53
89
67
64
97
100
97
100
100
100
100
38
81

Low Clouds (% Sky Obscured)

37
23
22
37
41
32
29
42
51
50
53
51
53
67
56
76
61
61
100
100
100
100
38
51

Medium Clouds (% Sky Obscured)

15
3
3
5
0
0
0
0
0
0
0
1
0
0
1
51
75
75
63
93
100
0
3
27

High Clouds (% Sky Obscured)

32
7
22
29
0
0
0
0
0
0
0
1
76
50
57
86
100
32
28
76
80
6
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

66
61
53
22
2
0
0
0
0
0
0
0
0
0
0
1
4
24
64
79
95
51
82
75

Precipitation Amount (mm)

0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
2.1
0
0.6
0.5

Wind Speed/Direction (mph)

14
14
14
12
10
9
10
9
8
8
8
9
8
9
10
12
14
13
16
19
20
19
18
17

Chance of Frost

Temperature (°C)

20
18
18
17
16
15
14
13
13
12
12
12
12
12
13
14
15
15
16
16
15
15
16
18

Feels Like (°C)

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

Dew Point (°C)

12
15
15
15
14
14
13
13
12
11
12
11
11
11
12
12
12
12
12
13
14
15
15
17

Relative Humidity (%)

59
81
85
89
92
95
96
96
96
95
96
96
96
96
95
90
83
80
77
82
89
96
95
89

Pressure (mb)

1003
1004
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1007
1006
1006
1005
1004
1003
1002
1001

Ozone (du)

400
400
397
398
398
387
377
373
371
368
364
359
356
353
353
353
353
353
356
356
356
362
363
367

Wednesday 3

Waning Gibbous 88%

00:16

07:54

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
15 Bad
16 Bad

Sun - Rise: 04:50, Set: 21:13, Transit: 13:02. Moon - Rise: 00:16, Set: 07:54. Civil Dark: 21:59 - 04:04. Nautical Dark: 23:07 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

68
100
99
100
100
100
100
100
99
82
61
71
61
81
82
80
94
79
87
95
91
80
63
80

Low Clouds (% Sky Obscured)

55
72
42
54
56
65
60
58
58
62
60
60
61
65
62
48
52
60
57
54
62
61
53
72

Medium Clouds (% Sky Obscured)

22
37
97
100
100
100
100
100
64
20
0
0
1
8
17
80
65
29
26
34
29
27
19
21

High Clouds (% Sky Obscured)

0
97
98
100
100
100
0
100
97
71
1
2
1
0
0
0
3
0
0
75
51
25
0
0

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

69
54
44
37
46
58
39
95
71
24
19
4
2
4
31
41
44
38
46
54
62
68
67
74

Precipitation Amount (mm)

0.5
0.3
0.3
0
0.2
0.4
0
1.1
0.3
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.4

Wind Speed/Direction (mph)

17
17
18
17
15
14
14
14
16
13
14
14
14
13
14
15
16
18
19
19
19
18
18
18

Chance of Frost

Temperature (°C)

19
19
17
16
15
14
14
14
13
13
12
12
12
12
13
14
14
15
16
16
17
16
16
16

Feels Like (°C)

17
16
14
12
12
11
10
10
9
10
10
8
8
9
9
10
9
10
11
11
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

86
86
89
92
93
93
90
92
87
93
95
93
92
92
90
93
92
83
68
61
62
74
73
69

Pressure (mb)

1000
1000
1000
999
999
999
999
998
998
997
997
997
997
997
998
998
998
999
999
999
999
1000
1000
1000

Ozone (du)

367
366
366
369
373
383
396
403
404
400
395
395
397
398
400
401
402
402
401
402
402
404
407
408

Thursday 4

Waning Gibbous 81%

00:40

09:08

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

Sun - Rise: 04:49, Set: 21:14, Transit: 13:02. Moon - Rise: 00:40, Set: 09:08. Civil Dark: 22:00 - 04:03. Nautical Dark: 23:09 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

63
68
69
64
68
65
60
53
50
49
34
41
55
83
79
85
97
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
58
60
58
53
49
45
45
44
43
34
35
34
34
37
48
42
49
49
52
46
47
41
41

Medium Clouds (% Sky Obscured)

29
35
41
39
33
23
12
3
3
4
3
9
22
33
42
40
37
47
76
100
93
48
40
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
0
0
0
0
1
10
17
30
71
78
83
89
92
96
100
100

ISS Passover

Visibility (miles)

5
7
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 (%)

73
62
42
35
22
17
17
4
3
1
0
0
0
0
0
0
0
5
7
7
14
16
19
24

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)

16
16
16
14
13
12
11
11
10
10
9
9
8
8
9
10
10
10
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
83
86
87
90
92
90
90
90
90
93
96
96
93
87
76
66
58
52
51
48
47
50
53

Pressure (mb)

1001
1001
1002
1003
1004
1005
1005
1006
1006
1007
1007
1008
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

408
406
401
396
394
393
394
395
396
396
393
388
383
381
379
377
373
369
368
372
371
374
373
372

Friday 5

Waning Gibbous 72%

00:57

10:24

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
15 Bad
16 Bad

Sun - Rise: 04:48, Set: 21:15, Transit: 13:02. Moon - Rise: 00:57, Set: 10:24. Civil Dark: 22:01 - 04:02. Nautical Dark: 23:11 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
92
84
77
79
76
77
81
84
87
78
89
100
100
100
100
91
83
74
65

Low Clouds (% Sky Obscured)

36
30
31
36
33
29
30
33
42
49
59
63
68
73
50
53
56
67
78
89
84
79
74
65

Medium Clouds (% Sky Obscured)

83
99
85
97
85
72
59
51
45
40
39
42
43
42
68
69
88
91
95
100
91
83
74
54

High Clouds (% Sky Obscured)

100
100
100
100
91
54
29
0
1
1
2
2
1
1
67
83
100
75
47
15
8
7
5
3

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

29
25
21
12
0
2
1
0
3
4
4
6
6
3
43
44
42
67
83
95
89
80
64
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
8
7
6
6
6
6
5
5
5
5
5
5
6
8
9
11
11
11
11
7
10
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
75
80
83
86
90
91
93
93
91
91
93
91
93
88
79
71
64
61
58
55
59
62
67

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1010
1010
1009
1009
1008
1008
1008
1008
1009

Ozone (du)

372
372
371
372
373
373
375
378
381
381
379
378
379
378
376
376
375
374
377
380
383
388
393
398

Saturday 6

Waning Gibbous 62%

01:11

11:39

17 Bad
18 Bad
19 Bad
20 Bad
21 OK
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
15 OK
16 Bad

Sun - Rise: 04:48, Set: 21:16, Transit: 13:02. Moon - Rise: 01:11, Set: 11:39. Civil Dark: 22:02 - 04:01. Nautical Dark: 23:12 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

55
46
47
44
43
45
45
45
58
72
84
83
83
82
82
82
82
72
60
50
38
35
15
48

Low Clouds (% Sky Obscured)

55
46
47
40
34
33
33
33
41
53
62
64
62
60
52
49
40
39
36
33
24
14
5
18

Medium Clouds (% Sky Obscured)

34
13
9
5
0
20
40
45
41
21
10
16
21
27
36
48
58
45
37
27
20
13
6
10

High Clouds (% Sky Obscured)

3
0
6
9
14
12
9
5
0
0
0
3
7
12
45
59
78
62
44
29
33
35
15
48

ISS Passover

Visibility (miles)

8
8
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 (%)

43
28
20
11
0
0
0
0
0
0
0
0
0
0
0
0
0
8
10
10
15
16
14
14

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)

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

Chance of Frost

Temperature (°C)

15
15
15
13
12
11
11
10
10
9
9
9
10
11
11
13
15
16
17
17
18
18
18
19

Feels Like (°C)

12
11
11
12
11
11
11
10
10
7
7
7
7
7
7
11
11
12
12
13
14
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

67
67
67
72
77
84
87
91
95
95
95
95
93
91
90
82
75
69
68
68
68
67
68
67

Pressure (mb)

1009
1010
1011
1011
1012
1013
1013
1014
1014
1015
1016
1016
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

394
390
386
383
380
376
375
374
373
370
368
365
364
364
363
361
359
357
355
353
351
351
350
350

Sunday 7

Waning Gibbous 52%

01:23

12:55

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: 04:47, Set: 21:17, Transit: 13:03. Moon - Rise: 01:23, Set: 12:55. Civil Dark: 22:03 - 04:01. Nautical Dark: 23:14 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
97
97
97
98
97
98
98
97
94
91
84
76
71
74
74
71
74
79
84

Low Clouds (% Sky Obscured)

31
43
47
47
55
60
65
71
80
85
88
79
68
48
49
48
53
62
68
74

Medium Clouds (% Sky Obscured)

11
13
14
11
16
22
28
38
58
67
76
75
73
71
56
38
21
21
28
32

High Clouds (% Sky Obscured)

63
79
86
90
95
95
95
95
67
34
2
1
1
0
0
1
1
15
35
60

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

14
13
13
14
13
33
48
59
58
60
67
58
48
33
26
17
3
13
19
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
17
15
14
13
13
12
12
13
13
14
14
14
16
17
18
19
20

Feels Like (°C)

15
15
15
15
15
15
14
14
13
10
10
11
11
11
11
13
13
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

69
70
71
78
85
93
93
95
96
93
90
89
87
86
84
82
77
75
73
72

Pressure (mb)

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

Ozone (du)

350
350
351
351
351
351
352
352
352
350
349
347
347
347
347
346
345
344
345
346

Forecast for Reading, Reading, United Kingdom (51.45,-0.98)

Generated: 01/06/26 17:24:30. Forecast: 01/06/26 to 07/06/26. Timezone: UTC+1.00