Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 18%

02:02

17:18

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

Sun - Rise: 07:00, Set: 19:25, Transit: 13:12. Moon - Rise: 02:02, Set: 17:18. Civil Dark: 19:54 - 06:31. Nautical Dark: 20:29 - 05:56. Astro Dark: 21:05 - 05:20

Total Clouds (% Sky Obscured)

8
10
9
19
16
4
21
1
7
26
56
47
53
56
53
48
51
60
56
52
21
17
31
34

Low Clouds (% Sky Obscured)

8
0
9
19
16
4
21
0
0
0
56
47
53
56
53
48
51
60
56
47
0
0
0
0

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
3
4
1
7
26
23
2
0
0
0
0
0
17
25
48
21
17
31
34

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
6
16
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)

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

Chance of Frost

Temperature (°C)

24
25
26
26
25
24
21
18
17
16
16
15
15
14
14
13
13
13
12
13
16
19
22
23

Feels Like (°C)

26
26
27
27
27
27
23
20
18
17
16
16
16
15
15
14
14
13
13
13
16
19
22
23

Dew Point (°C)

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

Relative Humidity (%)

35
32
31
30
31
44
57
66
69
72
75
76
75
73
73
75
77
79
80
75
59
49
41
35

Pressure (mb)

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

Ozone (du)

279
279
279
280
281
281
280
280
280
280
280
278
277
276
276
277
279
280
280
279
278
277
278
279

Wednesday 17

Waning Crescent 10%

03:17

17:49

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

Sun - Rise: 07:01, Set: 19:23, Transit: 13:12. Moon - Rise: 03:17, Set: 17:49. Civil Dark: 19:52 - 06:32. Nautical Dark: 20:27 - 05:57. Astro Dark: 21:03 - 05:22

Total Clouds (% Sky Obscured)

44
35
25
16
12
1
0
0
0
0
6
45
69
31
36
40
44
44
88
41
36
35
92
54

Low Clouds (% Sky Obscured)

10
6
0
0
5
0
0
0
0
0
0
45
55
31
36
40
44
44
72
41
36
35
50
42

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
19
8
0
23
17

High Clouds (% Sky Obscured)

44
35
25
16
12
1
0
0
0
0
1
27
69
0
0
0
5
11
55
4
3
4
70
8

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
35
100
100
100
100
100
100
2
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
1
1
0
4
1
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
3
3
4
5
5
5
4
3
2
1
1
1
2
1
1
2
2
2
2
3
5
6
6

Chance of Frost

Temperature (°C)

25
25
26
26
26
24
21
19
17
17
16
15
14
13
13
13
13
14
14
15
17
19
21
23

Feels Like (°C)

24
25
25
26
25
25
22
20
18
18
17
16
15
13
15
14
15
15
15
15
18
20
23
23

Dew Point (°C)

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

Relative Humidity (%)

32
30
29
29
31
41
57
62
66
66
66
66
67
66
69
70
74
76
80
76
65
61
59
58

Pressure (mb)

1019
1018
1018
1017
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1017
1017
1016
1016

Ozone (du)

280
280
279
279
278
278
278
277
276
276
275
275
276
278
279
280
280
280
279
279
279
279
279
281

Thursday 18

Waning Crescent 5%

04:30

18:14

13 OK
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 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 07:02, Set: 19:21, Transit: 13:11. Moon - Rise: 04:30, Set: 18:14. Civil Dark: 19:51 - 06:33. Nautical Dark: 20:25 - 05:59. Astro Dark: 21:01 - 05:23

Total Clouds (% Sky Obscured)

44
49
62
81
86
84
87
83
76
86
85
28
17
1
5
4
5
4
4
5
4
4
2
1

Low Clouds (% Sky Obscured)

44
49
62
71
67
66
65
62
60
73
68
28
17
0
0
0
0
0
0
0
1
2
1
0

Medium Clouds (% Sky Obscured)

1
17
0
0
0
0
3
3
2
10
18
19
6
1
2
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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
1
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)

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

Chance of Frost

Temperature (°C)

24
25
24
24
23
22
20
18
17
16
15
14
13
13
12
11
10
10
9
9
11
12
13
14

Feels Like (°C)

25
25
24
23
22
20
19
17
16
14
13
12
14
13
12
10
10
9
8
9
9
10
11
12

Dew Point (°C)

15
15
17
17
17
17
16
14
13
12
11
10
11
11
11
10
9
9
8
7
4
-0
-4
-5

Relative Humidity (%)

56
54
62
65
70
74
76
78
77
77
75
78
86
92
95
98
95
96
95
85
61
43
30
26

Pressure (mb)

1015
1015
1015
1015
1015
1016
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1022
1023
1023
1023
1023
1023

Ozone (du)

282
281
280
282
286
288
287
285
286
286
284
283
282
282
281
281
281
282
283
281
281
280
279
278

Friday 19

Waning Crescent 1%

05:40

18:34

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

Sun - Rise: 07:04, Set: 19:19, Transit: 13:11. Moon - Rise: 05:40, Set: 18:34. Civil Dark: 19:49 - 06:34. Nautical Dark: 20:23 - 06:00. Astro Dark: 20:59 - 05:25

Total Clouds (% Sky Obscured)

2
2
1
2
2
2
0
0
0
0
0
0
0
0
1
1
1
0
1
19
33
7
4
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
11
16
4
3
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)

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

Chance of Frost

Temperature (°C)

16
17
17
18
18
17
15
13
11
11
10
9
8
7
7
6
6
6
5
5
8
10
12
14

Feels Like (°C)

14
15
15
16
16
15
13
12
10
10
9
8
7
6
5
5
4
4
4
4
5
7
10
11

Dew Point (°C)

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

Relative Humidity (%)

27
27
28
29
31
36
45
55
60
61
62
64
64
65
64
63
62
62
64
59
44
34
27
23

Pressure (mb)

1023
1022
1022
1022
1022
1022
1023
1024
1025
1026
1026
1027
1027
1028
1028
1028
1028
1029
1029
1030
1030
1029
1029
1029

Ozone (du)

275
273
273
275
277
278
276
276
277
277
276
276
276
276
276
276
276
276
278
279
279
279
279
279

Saturday 20

Waning Crescent 0%

06:48

18:52

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

Sun - Rise: 07:05, Set: 19:17, Transit: 13:11. Moon - Rise: 06:48, Set: 18:52. Civil Dark: 19:47 - 06:36. Nautical Dark: 20:21 - 06:01. Astro Dark: 20:56 - 05:26

Total Clouds (% Sky Obscured)

2
3
3
3
23
46
46
41
45
31
25
25
25
25
30
35
67
83
100
90
81
71
72
73

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
11
14
18
26
25
22
17
14
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
11
20
31
35
39
42
35
23
12
13
14

High Clouds (% Sky Obscured)

2
3
2
0
3
7
3
7
16
13
20
20
20
5
5
5
37
67
100
90
81
71
68
63

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
4
8
11
13
13
7
10
10
2
2
1

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

Chance of Frost

Temperature (°C)

16
17
18
18
18
16
14
12
11
10
9
9
8
8
9
9
9
9
10
10
13
16
19
21

Feels Like (°C)

13
15
15
15
15
14
11
9
7
6
6
5
4
4
4
4
4
4
4
4
8
9
11
13

Dew Point (°C)

-7
-7
-7
-7
-6
-4
-2
-3
-2
-3
-4
-6
-7
-8
-5
-4
-2
-0
2
3
5
7
9
10

Relative Humidity (%)

20
19
18
17
18
25
34
36
40
42
40
33
33
32
37
41
48
52
57
60
57
54
51
49

Pressure (mb)

1028
1027
1026
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023
1022
1022
1021
1021
1021
1020
1019
1019
1018

Ozone (du)

280
282
284
286
284
283
281
280
279
278
277
276
276
276
277
278
279
282
284
286
284
282
280
278

Sunday 21

New Moon 0%

07:54

19:08

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
09 Bad
10 OK
11 OK
12 Bad

Sun - Rise: 07:06, Set: 19:16, Transit: 13:10. Moon - Rise: 07:54, Set: 19:08. Civil Dark: 19:45 - 06:37. Nautical Dark: 20:19 - 06:03. Astro Dark: 20:54 - 05:27

Total Clouds (% Sky Obscured)

75
82
90
97
98
99
100
83
64
50
67
82
97
87
78
68
69
70
72
58
47
36
42
49

Low Clouds (% Sky Obscured)

5
10
15
21
34
46
60
45
43
37
37
37
36
37
41
47
46
47
48
42
35
28
34
37

Medium Clouds (% Sky Obscured)

15
35
55
77
74
68
58
41
34
28
34
41
48
44
42
39
37
33
29
20
10
0
2
4

High Clouds (% Sky Obscured)

63
69
74
79
86
92
99
82
64
50
67
82
96
78
59
37
22
11
6
7
9
8
14
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
7
8
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
4
7
8
23
34
43
37
30
13
24
27
28
33
37
39
35
29
16
13
8
0
4
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
16
24
23
23
24
25
27
19
18
20
19
19
19
18
18
18
18
18
18
20
20
21
22

Dew Point (°C)

11
12
12
13
13
15
17
19
19
18
17
17
17
16
17
17
16
16
16
16
15
14
12
12

Relative Humidity (%)

47
45
47
47
49
60
73
89
91
92
93
92
92
90
93
95
95
93
93
92
72
58
46
42

Pressure (mb)

1017
1016
1015
1014
1013
1013
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011

Ozone (du)

277
275
275
274
274
274
274
274
274
273
272
272
272
272
272
272
272
272
271
271
271
271
271
271

Monday 22

Waxing Crescent 1%

08:59

19:24

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

Sun - Rise: 07:07, Set: 19:14, Transit: 13:10. Moon - Rise: 08:59, Set: 19:24. Civil Dark: 19:43 - 06:38. Nautical Dark: 20:17 - 06:04. Astro Dark: 20:52 - 05:29

Total Clouds (% Sky Obscured)

62
63
62
59
55
50
46
37
29
21
31
32
32
34
45
57
55
57
60

Low Clouds (% Sky Obscured)

43
41
47
48
40
34
28
22
15
9
8
6
5
8
13
20
28
39
49

Medium Clouds (% Sky Obscured)

6
18
25
31
33
35
37
30
18
6
8
7
9
11
11
15
17
20
24

High Clouds (% Sky Obscured)

13
12
11
11
11
12
11
3
1
0
0
0
0
1
5
8
5
3
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

2
25
32
33
26
17
5
6
4
0
0
0
0
10
22
27
72
93
86

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

28
29
29
28
28
26
25
24
23
23
22
22
22
21
21
20
19
19
19

Feels Like (°C)

24
25
30
28
27
27
27
27
23
23
23
23
23
22
21
21
21
20
21

Dew Point (°C)

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

Relative Humidity (%)

39
36
36
37
38
39
40
41
42
42
43
44
45
46
51
57
62
64
68

Pressure (mb)

1011
1010
1010
1010
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

271
271
271
271
271
271
271
272
271
270
269
269
269
269
270
270
270
271
273

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 16/09/25 13:04:20. Forecast: 16/09/25 to 22/09/25. Timezone: UTC-4.00