Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 31

Waning Gibbous 81%

21:05

10:11

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
05 Bad

Sun - Rise: 06:32, Set: 19:37, Transit: 13:04. Moon - Rise: 21:05, Set: 10:11. Civil Dark: 20:05 - 06:04. Nautical Dark: 20:38 - 05:32. Astro Dark: 21:12 - 04:57

Total Clouds (% Sky Obscured)

96
97
100
94
100
100
88
97
100
94
96
93
100
66
83
91
99
98
96
100
92
82
96
96

Low Clouds (% Sky Obscured)

19
14
86
31
25
75
46
77
95
81
20
62
6
8
4
8
39
34
61
61
86
7
9
9

Medium Clouds (% Sky Obscured)

90
71
43
74
57
92
58
89
95
41
47
85
66
58
78
77
95
90
88
100
75
20
43
36

High Clouds (% Sky Obscured)

96
97
100
87
100
94
73
72
62
57
47
52
100
48
49
60
76
40
37
50
45
51
73
78

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
4
3
6
11
22
17
11
3
18
5
12
13
19
23
16
26
14
9
0
0
2
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)

1
1
2
1
2
3
3
2
2
3
3
2
2
3
3
2
3
3
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
21
21
23
25
25
25
27
26
26
26
27
27
25
24
24
23
23
23
24
23
24
23
23

Dew Point (°C)

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

Relative Humidity (%)

85
86
84
77
73
65
66
64
63
72
64
63
71
74
79
85
89
91
92
94
95
95
95
95

Pressure (mb)

1019
1019
1020
1020
1021
1020
1020
1020
1019
1019
1019
1018
1018
1017
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016

Ozone (du)

291
291
291
290
290
290
289
287
286
286
286
286
286
287
288
286
285
284
283
282
281
282
281
282

Tuesday 1

Waning Gibbous 72%

21:34

11:23

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
05 Bad

Sun - Rise: 06:33, Set: 19:35, Transit: 13:04. Moon - Rise: 21:34, Set: 11:23. Civil Dark: 20:03 - 06:05. Nautical Dark: 20:36 - 05:33. Astro Dark: 21:10 - 04:59

Total Clouds (% Sky Obscured)

54
83
87
80
99
93
96
100
85
94
75
100
59
52
73
35
35
31
76
72
87
96
96
100

Low Clouds (% Sky Obscured)

5
5
5
5
5
3
4
10
12
29
68
90
59
48
73
35
35
0
0
11
25
66
94
93

Medium Clouds (% Sky Obscured)

33
27
30
37
24
40
32
24
33
3
24
18
3
0
1
0
0
10
22
19
30
39
29
26

High Clouds (% Sky Obscured)

22
40
35
48
95
41
79
100
82
89
26
79
15
40
69
35
35
19
50
45
50
52
67
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
6
7
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
73
2

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
0
0
0
26
15
13
3
0
1
6
15
34
61
72
55
34
56
29
10
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.2
0
0.3
0
0
0

Wind Speed/Direction (mph)

3
3
2
4
5
7
8
10
11
10
9
7
5
3
3
3
2
3
2
2
2
2
4
4

Chance of Frost

Temperature (°C)

21
21
22
24
26
27
29
30
30
31
31
31
31
30
28
27
26
25
23
23
22
22
22
21

Feels Like (°C)

23
24
24
26
28
28
30
30
30
32
32
34
34
33
30
29
28
27
26
25
25
24
23
22

Dew Point (°C)

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

Relative Humidity (%)

93
94
87
80
73
67
61
55
51
50
48
54
62
63
60
63
66
76
94
98
98
100
96
96

Pressure (mb)

1016
1016
1017
1017
1016
1016
1016
1015
1015
1014
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017

Ozone (du)

283
283
283
283
284
285
285
285
286
285
285
284
285
286
287
288
289
289
289
289
289
289
290
290

Wednesday 2

Waning Gibbous 61%

22:10

12:37

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
05 Bad

Sun - Rise: 06:34, Set: 19:34, Transit: 13:04. Moon - Rise: 22:10, Set: 12:37. Civil Dark: 20:01 - 06:06. Nautical Dark: 20:34 - 05:34. Astro Dark: 21:09 - 05:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
97
99
98
90
99
96
89
100
77
78
100
99
95
91
85
80

Low Clouds (% Sky Obscured)

96
95
97
98
96
96
97
97
88
95
89
68
87
76
56
50
56
55
90
90
94
91
85
80

Medium Clouds (% Sky Obscured)

57
46
64
47
60
58
24
5
0
0
0
7
14
5
3
0
22
32
32
26
17
9
0
0

High Clouds (% Sky Obscured)

100
95
98
100
100
100
100
86
69
62
67
70
86
80
89
100
28
75
100
77
51
27
1
10

ISS Passover

Visibility (miles)

3
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
9
9
1
0
0
0
0

Fog (%)

16
36
17
10
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
Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Ice pellet
None
None
None
Light Rain

Precipitation Probability (%)

27
40
84
95
53
23
14
2
2
6
15
63
58
42
95
95
95
95
95
95
58
54
54
89

Precipitation Amount (mm)

0
0
0.2
0.6
0
0
0
0
0
0
0
0.3
0.4
0
1
1.7
1.7
1.6
0.9
0.5
0
0
0
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
23
23
24
24
24
25
26
27
29
29
29
29
27
26
26
25
25
25
24
24
24
24
24

Dew Point (°C)

21
21
22
23
22
22
22
23
24
23
23
23
24
24
24
24
23
23
22
22
22
22
22
21

Relative Humidity (%)

98
96
96
97
94
94
91
91
87
79
78
78
83
90
92
95
97
97
98
98
98
98
98
98

Pressure (mb)

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

Ozone (du)

288
287
288
287
287
287
286
285
286
287
287
288
289
289
290
291
291
291
289
289
290
289
291
290

Thursday 3

Waning Gibbous 61%

22:56

13:51

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
05 Bad

Sun - Rise: 06:35, Set: 19:32, Transit: 13:03. Moon - Rise: 22:56, Set: 13:51. Civil Dark: 20:00 - 06:07. Nautical Dark: 20:32 - 05:35. Astro Dark: 21:07 - 05:01

Total Clouds (% Sky Obscured)

76
75
83
91
99
100
100
100
96
76
82
55
91
100
100
100
100
80
99
100
100
100
100
94

Low Clouds (% Sky Obscured)

76
75
77
60
39
21
16
11
7
3
0
0
50
13
42
1
3
3
6
18
21
16
17
46

Medium Clouds (% Sky Obscured)

0
0
0
0
4
50
38
50
36
4
2
0
0
0
0
53
10
11
9
69
62
58
15
24

High Clouds (% Sky Obscured)

15
15
43
72
98
100
100
100
82
76
82
55
91
100
100
100
100
80
99
100
100
100
100
86

ISS Passover

Visibility (miles)

0
0
0
0
9
9
9
9
9
9
9
9
9
9
9
4
7
9
7
2
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
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
None
None
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

75
40
30
42
0
0
1
1
34
47
57
52
47
37
68
88
52
57
68
49
7
1
0
0

Precipitation Amount (mm)

0.6
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0.4
0.9
0
0
0.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
23
24
26
28
30
31
32
32
31
31
30
29
27
27
26
25
24
24
24
23
23
23

Feels Like (°C)

25
25
26
28
30
31
32
32
33
33
34
34
37
33
31
30
29
28
28
27
26
26
26
25

Dew Point (°C)

22
22
22
24
25
25
25
25
26
24
23
23
23
22
22
23
24
23
23
23
23
22
22
22

Relative Humidity (%)

98
98
98
98
94
85
77
70
72
64
59
62
66
67
73
82
90
90
91
95
95
95
94
94

Pressure (mb)

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

Ozone (du)

288
291
287
285
286
285
286
286
284
283
281
282
282
281
281
282
281
281
281
281
280
280
279
279

Friday 4

Third Quarter 49%

23:52

15:02

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 OK
01 Good
02 Good
03 Good
04 Good
05 OK

Sun - Rise: 06:36, Set: 19:30, Transit: 13:03. Moon - Rise: 23:52, Set: 15:02. Civil Dark: 19:58 - 06:08. Nautical Dark: 20:31 - 05:36. Astro Dark: 21:05 - 05:02

Total Clouds (% Sky Obscured)

93
97
100
83
78
74
71
67
69
75
66
63
58
57
68
76
86
58
30
3
4
5
7
21

Low Clouds (% Sky Obscured)

18
20
26
26
23
17
12
8
44
72
66
63
20
13
14
13
12
8
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

30
24
30
29
39
27
13
0
0
0
0
0
0
0
13
26
36
24
12
0
0
0
0
0

High Clouds (% Sky Obscured)

90
95
100
61
57
44
36
29
25
66
60
60
54
57
60
64
69
51
30
3
4
2
2
9

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

Chance of Frost

Temperature (°C)

23
23
23
24
25
26
26
27
27
27
27
27
26
24
23
22
21
20
19
19
18
17
17
16

Feels Like (°C)

25
26
26
26
27
27
27
28
28
28
28
29
28
26
24
25
24
24
23
23
22
18
19
18

Dew Point (°C)

22
22
22
22
20
18
17
17
17
16
18
20
20
20
19
18
17
15
15
16
16
15
15
14

Relative Humidity (%)

94
95
92
87
72
60
55
55
53
51
57
65
70
78
79
78
75
72
77
82
86
88
89
89

Pressure (mb)

1012
1013
1013
1013
1013
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

279
282
286
293
296
298
298
297
298
299
300
301
301
301
301
302
303
304
304
304
305
306
307
308

Saturday 5

Waning Crescent 37%

01:00

16:04

06 OK
07 Bad
08 Bad
09 OK
10 OK
11 OK
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

Sun - Rise: 06:36, Set: 19:29, Transit: 13:03. Moon - Rise: 01:00, Set: 16:04. Civil Dark: 19:56 - 06:09. Nautical Dark: 20:29 - 05:37. Astro Dark: 21:03 - 05:03

Total Clouds (% Sky Obscured)

37
59
49
44
33
42
50
59
63
69
76
66
57
47
43
37
23
33
47
60
72
84
97
68

Low Clouds (% Sky Obscured)

0
0
10
17
23
25
28
30
39
44
50
48
40
31
27
15
2
18
35
51
62
72
85
62

Medium Clouds (% Sky Obscured)

0
0
0
0
0
10
19
15
15
14
16
14
12
12
13
15
19
19
21
20
23
26
25
19

High Clouds (% Sky Obscured)

20
42
37
22
0
0
0
0
0
0
1
1
1
1
1
1
1
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
6
4
2
13
13
11
8
4
1
1
0
0
1
1
0
20

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

Chance of Frost

Temperature (°C)

16
17
17
19
21
22
23
24
25
25
25
25
23
22
20
19
18
16
16
17
17
16
16
16

Feels Like (°C)

18
18
18
20
20
20
21
22
23
25
25
25
25
25
25
18
18
19
18
17
16
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

87
85
83
73
66
58
55
52
49
52
54
57
62
68
75
81
86
90
89
86
83
85
83
83

Pressure (mb)

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

Ozone (du)

308
308
309
309
309
309
309
310
310
310
309
309
310
311
311
311
311
311
312
312
313
313
314
315

Sunday 6

Waning Crescent 26%

02:14

16:56

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

Sun - Rise: 06:37, Set: 19:27, Transit: 13:02. Moon - Rise: 02:14, Set: 16:56. Civil Dark: 19:55 - 06:10. Nautical Dark: 20:27 - 05:38. Astro Dark: 21:01 - 05:05

Total Clouds (% Sky Obscured)

40
12
15
17
24
27
37
43
36
25
15
14
10
9
27
46
56
49
45
37

Low Clouds (% Sky Obscured)

40
12
15
17
24
27
15
7
6
6
6
6
5
5
8
9
9
8
4
0

Medium Clouds (% Sky Obscured)

16
11
11
8
12
17
22
31
21
10
0
3
7
9
7
4
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
16
20
12
8
4

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

28
32
35
37
41
37
34
31
32
26
12
15
4
0
4
4
2
2
1
0

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

16
16
16
17
18
19
20
21
22
22
22
23
21
20
18
18
17
17
16
15

Feels Like (°C)

17
17
17
17
18
17
18
19
19
25
24
25
26
26
27
19
19
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

83
83
82
72
63
55
51
47
44
43
43
42
49
55
62
64
66
68
69
68

Pressure (mb)

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

Ozone (du)

315
315
315
315
314
314
314
313
313
313
313
314
313
312
311
311
310
310
310
309

Forecast for Ephrata, Lancaster, United States of America (40.18,-76.17)

Generated: 31/08/26 05:21:59. Forecast: 31/08/26 to 06/09/26. Timezone: UTC-4.00