Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 100%

20:05

05:21

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: 05:38, Set: 20:16, Transit: 12:56. Moon - Rise: 20:05, Set: 05:21. Civil Dark: 20:49 - 05:05. Nautical Dark: 21:30 - 04:25. Astro Dark: 22:17 - 03:38

Total Clouds (% Sky Obscured)

80
85
88
91
100
100
100
99
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

57
82
85
84
89
90
94
78
83
91
90
92
91
86
78
84
88
78
76
80
74
91
91
82

Medium Clouds (% Sky Obscured)

50
85
88
91
100
100
100
95
94
82
100
84
86
98
100
96
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

80
85
88
82
75
95
92
84
74
75
92
91
100
100
100
100
96
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

6
7
4
6
6
9
9
2
1
3
3
2
3
1
1
1
1
1
1
1
1
4
4
6

Fog (%)

0
0
0
0
0
0
0
8
3
32
19
13
74
74
50
73
29
2
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

95
95
95
93
87
73
91
95
83
78
78
82
75
92
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1
2.2
1.3
0.6
0.6
0.3
0.7
1
0.5
0.4
0.3
0.3
0.2
0.4
0.5
1
2.3
2.4
2.3
1.2
0.4
0.7
1
5.3

Wind Speed/Direction (mph)

10
9
9
9
4
4
4
4
4
4
4
4
4
5
5
6
7
6
5
6
7
7
6
7

Chance of Frost

Temperature (°C)

25
23
23
22
21
21
20
20
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

Feels Like (°C)

27
25
24
24
23
23
22
21
20
21
21
20
20
20
20
19
20
20
20
20
20
20
20
20

Dew Point (°C)

24
22
22
22
21
21
20
20
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

Relative Humidity (%)

91
92
95
98
98
98
98
100
98
100
100
98
98
98
98
98
98
100
98
98
98
98
96
98

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1005
1005
1005
1004
1004
1005
1005
1006
1006
1006
1007
1007
1007
1007

Ozone (du)

330
331
330
330
329
328
326
325
326
328
329
328
330
331
330
332
333
332
330
328
327
329
329
330

Wednesday 29

Full Moon 100%

20:33

06:28

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: 05:39, Set: 20:15, Transit: 12:56. Moon - Rise: 20:33, Set: 06:28. Civil Dark: 20:47 - 05:07. Nautical Dark: 21:28 - 04:26. Astro Dark: 22:15 - 03:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
96
92
92
97
98
100
100
100
100
100
100
100
100
100
99
90
85
80
70
60
50
60
53

Medium Clouds (% Sky Obscured)

98
100
100
100
92
96
90
100
92
97
83
74
74
74
78
96
96
71
68
52
63
89
100
92

High Clouds (% Sky Obscured)

100
54
87
100
100
77
50
55
50
40
40
8
9
39
40
42
11
5
100
100
100
100
100
91

ISS Passover

Visibility (miles)

5
4
6
6
5
5
6
9
6
6
4
6
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
82
79
90
75
68
83
71
61
49
16
11
9
13
11
11
14
30
49
51

Precipitation Amount (mm)

2
0.9
0.5
0.8
0.7
0.4
0.4
0.7
0.4
0.4
0.7
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
18
19
18
18
18
18
18
18
18
18
18
18
18
17
17
18
18
19
20
21
21
21

Feels Like (°C)

20
21
20
19
20
19
20
19
19
19
19
19
19
18
18
18
18
19
19
19
19
19
20
19

Dew Point (°C)

18
19
18
18
18
18
18
18
18
18
18
18
18
17
17
17
17
17
15
13
11
11
11
14

Relative Humidity (%)

98
96
98
98
98
96
98
98
98
98
100
98
98
98
96
98
96
96
83
64
54
52
53
64

Pressure (mb)

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

Ozone (du)

330
331
332
332
333
335
335
335
336
339
340
341
342
341
341
341
340
339
339
338
335
333
332
332

Thursday 30

Waning Gibbous 97%

20:56

07:35

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 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:40, Set: 20:14, Transit: 12:56. Moon - Rise: 20:56, Set: 07:35. Civil Dark: 20:46 - 05:08. Nautical Dark: 21:27 - 04:27. Astro Dark: 22:13 - 03:41

Total Clouds (% Sky Obscured)

96
96
97
92
85
75
75
84
83
66
81
72
65
77
72
67
31
28
41
77
78
81
78
36

Low Clouds (% Sky Obscured)

73
62
70
67
65
68
67
68
65
54
63
60
48
56
53
49
1
14
29
47
52
54
55
36

Medium Clouds (% Sky Obscured)

74
89
91
81
70
62
60
63
35
24
17
26
42
43
39
28
28
28
33
32
24
19
14
8

High Clouds (% Sky Obscured)

74
77
55
48
30
31
21
8
8
5
27
3
3
3
3
0
0
0
2
1
0
0
0
0

ISS Passover

Visibility (miles)

9
8
9
9
9
2
1
5
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
39
35
33
50
59
38
10
1
0
0
0
0
3
1
2
0
1
2
1
14
24
29
24

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
19
19
18
17
17
16
16
16
16
15
16
16
16
17
19
21
23
24
25
26
26

Feels Like (°C)

19
20
20
19
19
18
17
17
16
17
17
16
16
16
16
16
18
22
23
25
24
26
27
28

Dew Point (°C)

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

Relative Humidity (%)

68
89
96
95
95
98
98
98
98
98
96
96
96
96
96
96
95
91
73
62
61
60
58
55

Pressure (mb)

1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

330
329
330
328
328
328
330
331
331
330
327
324
323
322
323
325
326
327
329
331
335
335
335
335

Friday 31

Waning Gibbous 93%

21:17

08:42

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 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:41, Set: 20:12, Transit: 12:56. Moon - Rise: 21:17, Set: 08:42. Civil Dark: 20:45 - 05:09. Nautical Dark: 21:25 - 04:29. Astro Dark: 22:11 - 03:43

Total Clouds (% Sky Obscured)

60
74
61
46
45
32
35
15
33
52
48
67
51
60
41
27
19
17
24
6
22
41
55
67

Low Clouds (% Sky Obscured)

46
51
38
28
8
1
0
0
13
27
46
53
51
60
41
19
1
1
1
0
11
23
34
40

Medium Clouds (% Sky Obscured)

4
1
1
16
45
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
13
20
19

High Clouds (% Sky Obscured)

0
0
0
0
0
28
35
14
20
19
10
16
3
11
9
13
17
14
19
6
7
9
4
24

ISS Passover

Visibility (miles)

9
9
9
7
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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 (%)

21
25
37
41
26
4
2
0
0
0
0
0
0
0
0
0
0
3
12
34
37
38
33
32

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

Chance of Frost

Temperature (°C)

27
27
26
25
24
23
22
20
19
19
18
17
17
16
16
17
19
20
22
25
26
28
28
29

Feels Like (°C)

29
29
28
27
27
25
24
22
22
21
19
19
17
20
19
20
23
25
26
28
31
32
31
30

Dew Point (°C)

16
17
22
22
22
21
20
20
19
18
17
17
16
16
16
17
18
19
20
19
19
18
17
16

Relative Humidity (%)

52
55
77
86
88
89
92
95
95
95
96
96
95
98
96
98
98
93
84
69
63
55
51
46

Pressure (mb)

1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1015
1015
1014
1014
1013

Ozone (du)

334
331
326
323
321
320
319
318
317
317
315
314
314
314
314
314
314
313
313
312
311
311
310
309

Saturday 1

Waning Gibbous 87%

21:36

09:50

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: 05:42, Set: 20:11, Transit: 12:56. Moon - Rise: 21:36, Set: 09:50. Civil Dark: 20:43 - 05:10. Nautical Dark: 21:24 - 04:30. Astro Dark: 22:09 - 03:45

Total Clouds (% Sky Obscured)

89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
52
52
55
60
49
37
25
30
30
24
10
20
30
41
53
64
61
59
64
58
44
32
30

Medium Clouds (% Sky Obscured)

17
14
20
22
27
33
27
20
20
18
15
35
43
50
55
60
58
49
46
44
58
72
84
90

High Clouds (% Sky Obscured)

52
72
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
99
98
97
98

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

35
52
60
48
49
49
24
23
42
34
17
18
17
15
16
11
3
8
12
11
27
36
44
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

28
27
27
26
25
24
22
21
20
19
19
19
18
18
18
18
19
20
21
22
23
24
24
25

Feels Like (°C)

30
29
29
27
27
25
24
23
22
21
21
20
20
20
20
20
20
20
22
23
23
23
23
23

Dew Point (°C)

15
18
23
24
24
22
22
21
20
19
19
18
18
18
17
18
19
20
20
20
20
20
19
19

Relative Humidity (%)

46
57
76
91
92
92
95
96
98
98
98
98
98
98
98
98
98
98
92
87
81
77
73
70

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1014
1015
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1015
1015
1015
1014

Ozone (du)

307
306
305
305
305
305
305
305
305
306
306
307
307
307
307
306
305
304
303
303
302
301
300
299

Sunday 2

Waning Gibbous 79%

21:56

10:59

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: 05:43, Set: 20:10, Transit: 12:56. Moon - Rise: 21:56, Set: 10:59. Civil Dark: 20:42 - 05:11. Nautical Dark: 21:22 - 04:31. Astro Dark: 22:07 - 03:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
100
100
98
96
93
86
78
66
61
66
73
63

Low Clouds (% Sky Obscured)

31
32
37
42
49
54
58
69
73
76
74
69
64
64
64
64
63
53
44
45
53
62
66
61

Medium Clouds (% Sky Obscured)

94
99
98
97
96
97
98
100
91
83
76
80
83
89
86
85
82
66
51
34
30
27
25
17

High Clouds (% Sky Obscured)

99
100
100
100
100
98
95
92
90
89
89
93
97
100
83
67
50
38
21
14
8
6
5
10

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

83
93
88
80
70
88
95
95
95
89
76
95
95
95
95
95
95
95
81
62
55
50
45
38

Precipitation Amount (mm)

0.5
0.7
0.6
0.4
0.2
0.6
0.8
1
0.7
0.5
0.2
1.2
2
2.9
1.9
1.7
1.4
0.9
0.5
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

4
4
4
3
2
2
2
3
3
3
3
2
3
3
4
4
4
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

24
23
21
21
20
20
20
20
19
19
19
19
19
19
19
20
20
20
21
22
23
24
25
25

Feels Like (°C)

28
27
26
25
25
24
21
21
22
21
21
21
21
21
21
21
21
22
21
22
23
23
23
23

Dew Point (°C)

20
20
20
20
20
20
20
20
19
19
19
19
19
19
19
19
19
20
20
20
20
19
19
18

Relative Humidity (%)

78
87
95
96
98
98
98
100
98
98
100
98
100
98
100
98
98
100
92
85
80
74
70
65

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

300
301
302
303
304
306
307
307
308
309
310
311
312
312
312
314
316
318
320
322
325
324
324
324

Monday 3

Waning Gibbous 69%

22:16

12:10

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 Good
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 Good

Sun - Rise: 05:44, Set: 20:09, Transit: 12:56. Moon - Rise: 22:16, Set: 12:10. Civil Dark: 20:41 - 05:12. Nautical Dark: 21:21 - 04:33. Astro Dark: 22:05 - 03:48

Total Clouds (% Sky Obscured)

55
48
45
46
45
32
20
7
20
36
53
54
55
54
36
18
0

Low Clouds (% Sky Obscured)

55
46
42
41
39
26
13
0
17
34
53
54
55
54
36
18
0

Medium Clouds (% Sky Obscured)

9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

19
24
33
37
30
18
16
7
8
7
8
6
3
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

Fog (%)

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

Precipitation Probability (%)

32
34
34
32
30
23
16
1
4
4
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

Wind Speed/Direction (mph)

4
4
4
4
3
2
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

25
26
26
25
24
22
21
19
18
17
16
16
15
15
15
16
18

Feels Like (°C)

29
29
29
29
29
29
23
22
22
21
21
20
18
18
18
18
19

Dew Point (°C)

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

Relative Humidity (%)

68
70
73
78
83
88
91
93
95
96
96
96
96
96
96
95
92

Pressure (mb)

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

Ozone (du)

324
324
324
324
325
326
326
326
325
327
329
331
330
330
329
329
328

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 28/07/26 15:31:30. Forecast: 28/07/26 to 03/08/26. Timezone: UTC-4.00